OPPO Enco Free2 FAQ
1 Product Information
1.1 Product Weight
The charging box weighs about 38.8g, and a single earphone weighs about 4.4g. Put both ears into the charging box, and the entire product weighs about 47.6g.
1.2 Product Size
Headset——
Height: 33.9 mm
Width: 19.7 mm
Depth: 21.9 mm
Charging Case——
Height: 51.5 mm
Width: 66.9 mm
Depth: 24.0 mm
1.3 Bluetooth version
Bluetooth V5.2 is backward compatible.
Both Android system and iOS system can be connected, and no APP is required to connect to Bluetooth.
1.4 Audio, Bluetooth protocol
Audio decoding protocol: SBC, AAC
Bluetooth transmission protocol: BLE/HFP/A2DP/AVRCP
1.5 Bluetooth search name
The searched Bluetooth name is: OPPO Enco Free2
1.6 Certified Product
Products have passed SRRC, CE safety certification and BQB Bluetooth certification.
1.7 Environmental requirements
Products comply with ROHS, HF, REACH environmental protection requirements.
1.8 Sensitivity, frequency and impedance of headphones
Speaker sensitivity: 103±3dB at 1kHz,
Frequency response: 20Hz--20kHz
1.9 Version & Color & Coding
See the parameter table for details
2 Compatibility And Support
2.1 Which phones are supported
Support all mobile phones with Bluetooth function
2.2 Function support
1. All phones with Bluetooth function support the headset to double-click the next song, long press to switch the noise cancellaiton mode, slide to increase/decrease the volume, and triple-click to wake up the voice assistant (voice assistant support varies depending on the phone brand and model) .
OPPO users can modify the left and right ear control on the mobile phone (Bluetooth-OPPO Enco Free2-headphone function) , and support some models of mobile phones with ColorOS 11.0 and above.
OPPO mobile phone users under ColorOS 11.0 and non-OPPO mobile phone users can download the Huanlv APP for manipulation and modification. HuanLv supports Android 6.0 and above, or iOS13.0 and above models.
2. Support ear canal fit detection function, personalized noise cancellaiton, personalized hearing function.
OPPO users can use related functions on the mobile phone (Bluetooth-OPPO Enco Free2-headphone function), and some models of mobile phones that support ColorOS 11.0 and above.
OPPO mobile phone users under ColorOS 11.0 and non-OPPO mobile phone users can download the HuanLv APP to switch and use it. HuanLv supports Android 6.0 and above, or iOS13.0 and above models.
Among them, the personalized noise cancellaiton function is turned off by default, and the personalized hearing function needs to be used by the user after testing.
3. Support double-click remote control camera function
Only supports OPPO mobile phones, and some models of mobile phones that support ColorOS 11.3 and above. The first batch supports Reno6 series, and other models are integrated with OTA.
Specific usage method: In the camera interface of the mobile phone, double-click the headset to take a countdown to take pictures/record videos. Earphones need to be worn in the early stage to enable double-tap remote control to take pictures. In the later stage, OTA headsets can also be remotely taken without ears.
4. Negative one screen display power, select noise cancellaiton mode
Swipe the screen on the phone interface to a negative screen, the phone interface can display the power of the connected OPPO Enco Free 2 , and can choose to switch the noise cancellaiton mode. Only OPPO phones are supported, and phones with ColorOS 11.3 and above are supported.
5. Support quick pairing function
Only supports OPPO mobile phones, supports ColorOS 11.0 and above models ( Reno4 SE , Reno2 Z , R15 , A series do not support).
Earphones are available as soon as they are launched : reno6 , reno6 Pro , reno6 Pro+ , K9 , Find X3 Pro , Find X3 , Find X2 , Find X2 Pro , Reno5 Pro+ , Reno5 Pro , Reno5 , Reno4 Pro , Reno4 , Reno3 Pro , Reno3 Vitality Edition, K7 , Reno3 , Ace2 , Ace , Reno 10x, etc.
Post- OTA support:
Reno2 , Reno , Reno Z and more OPPO models to be upgraded to ColorOS11.0 and above
6. Low game latency (only some OPPO phones and some games support)
Supported models: Support ColorOS11.0 and above models
List of supported domestic games: Peaceful elites cross the line of fire, glory of kings, perfect piano, QQ Speed, after tomorrow, the fifth personality, quantum special attack, fortress frontline collapse 3
7. Game mode switch (all phones support)
The game mode is only related to the headset and has nothing to do with the mobile phone. It is turned off by default.
Open method :
For OPPO phones with ColorOS 11.0 and above , enter the headset function setting page (Bluetooth-OPPO Enco Free2-headphone function-headphone control-triple-stroke headset) , modify the triple- stroke headset to " game mode " , and then turn off /on the game through the triple-stroke headset mode.
OPPO mobile phone users under ColorOS 11.0 and non-OPPO mobile phone users can download the HuanLv APP to switch and use it. HuanLv supports Android 6.0 and above, or iOS13.0 and above models.
8. Sound effect mode selection
Support the choice between classic/dynamic bass/clear vocals/bright and transparent.
OPPO users can choose on the mobile phone (Bluetooth-OPPO Enco Free2-headphone function), and some models of mobile phones that support ColorOS 11.0 and above.
OPPO mobile phone users under ColorOS 11.0 and non-OPPO mobile phone users can download the HuanLv APP to switch and use it. HuanLv supports Android 6.0 and above, or iOS13.0 and above models.
9. User feedback OPPO Enco Free2 wireless Bluetooth headset users feedback IOS13.0 system device download IOS HuanLv easy to disconnect
Explanation: The compatibility of iOS13.0 to the Huanlv App is not optimal. It is easy to disconnect when the headset is connected to the Huanlv App. Please update to iOS 13.3 and above. Will improve.
3 Charging & Power Consumption
3.1 Charging instructions
Noise cancellaiton mode off (50 % volume) : the headset can be used on a single charge 6.5 hours together with the cassette can store multiple additional charge charging power, to meet the 30 hours of battery life.
Noise cancellaiton mode on (50 % volume) : the headset can be used on a single charge . 4 hours together with the cassette can store multiple additional charge charging power, to meet the 20 hours of battery life.
Power display
Low battery indicator
A red indicator light indicates low power, a yellow indicator light indicates medium power, and a green indicator light indicates high power.
Charging operation
When the mobile phone status bar shows that the headset battery is low (the mobile phone needs to support the Bluetooth headset battery display function), please put the headset into the charging box, and close the lid, the copper pillar contact at the bottom of the headset and the two bumps at the bottom of the charging box Touch to charge the headset. After about 90 minutes , the charging box will fully charge the headset.
The charging box supports a type-c charging cable and a charger with an output of 5V. It is recommended that you use the original charging cable and a charger with an output of 5V ⎓ 1 A to charge the charging box. When charging, the indicator light turns yellow, indicating that charging has started , and the green light is full.
Use the charging cable to charge the whole device for about 90 minutes.
Charging environment
Please charge the earphones and the charging case in an environment of 17℃-4 5 ℃, and close the cover; at 0 ℃-17℃, 4 5 ℃ -5 3 ℃, the charging speed will slow down; below 0 ℃ or 5 5 When the temperature is above ℃, the earphone and charging box will not be able to charge.
Battery and charging related parameters: the battery capacity of a single headset is 41 mAh, and the battery capacity of the charging box is 480 mAh. The input current of the charging box is 5V ⎓ 1 A.
3.2 Why is the headset battery level displayed on the mobile phone inaccurate
Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the propagation of Bluetooth signals, and the battery information may not be updated in time. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it .
3.3 Why the indicator light does not light up when the charging box is charging
1. The USB cable is not in good contact with the charging box, re-plug the USB cable
2. The adapter is faulty, check and replace the adapter
3. The USB port of the charging box is dirty, please clean up the foreign objects before charging
3.4 Why is the earphone use time shorter
1. The earphone may be in an environment with large electromagnetic interference or there are obstacles such as a wall between the earphone and the mobile phone, and the power consumption is faster . Please pay attention to keep away from microwave ovens, monitors and other objects with large electromagnetic interference when using, and ensure that there are no obstacles between the headset and the mobile phone.
2. The battery capacity will be relatively reduced in a low temperature environment , please return to normal temperature (25°C) to confirm the time difference .
3. After the headset is used for 1 year or longer, the battery performance will decrease slightly, resulting in a shorter use time, which is normal.
3.5 How to check the battery level of the headset on the phone
OPPO mobile phones, mobile phones equipped with ColorOS11.0 and above, can check the battery level of both ears in the settings-Bluetooth-paired devices.
For OPPO mobile phone users under ColorOS 11.0 and non-OPPO mobile phone users, please download the "Huanlu" App to check the battery level of both ears.
For iPhone, you can download the Huanlu APP in the Apple Store and check the battery level in the app. It supports iOS13.0 and above.
3.6 Can the headset be used during charging
1. When charging the headset with the charging box: No, the headset needs to be placed in the charging box during the charging process, so it cannot be taken out and worn;
Note: If the charging box only charges one earphone, the other earphone can be used alone
2. The charging box is charged separately: the earphones can be used;
3. When the charging box and earphones are charged at the same time: No, the earphones need to be placed in the charging box during the charging process, so they cannot be taken out and worn;
Note: If the charging box only charges one earphone, the other earphone can be used alone
3.7 Can the headset battery be replaced
No, the headset battery is a built-in lithium-ion battery and cannot be replaced.
3.8 Why can't my earphones be charged
1. The headset has not been used for a long time (one month or more), it is recommended that you charge it for a while to activate the headset
2. The charging box is out of power (the indicator light flashes or does not light up after opening the cover), please charge the charging box
3. The ambient temperature is too high or too low, please charge at room temperature.
4. The charging case is dirty on the charging shrapnel of the earphone, please use a dust-free cloth cotton swab to clean it and confirm whether it can be charged.
3.9 Can all Type-C version of the charging cable charge the charging box
All Type-C versions of the charging cable can be charged, but the power adapter should try to use a regular brand 5V/1A charger;
3.10 Can I charge with a power bank
Most power banks with 5V1A output can charge the charging box, but you need to use a charging cable with a Type-C interface.
Some power banks may not be able to charge the charging box because they do not support low current output.
3.11 What to pay attention to when charging
1. It is recommended to use a regular brand charger with an output voltage of 5V and a current of not less than 1A
2. Do not charge in a high temperature, high temperature, high humidity or low temperature environment
3. Do not use the headset battery box after it is fully charged. After about 18 months, the battery will be exhausted and shut down. It is recommended to charge it every 1 month (the headset battery box is fully charged) to avoid battery damage.
4. The earphone will be automatically closed at the corresponding charging position of the charging box, and the LED light will light up; if the LED light does not light up, please check whether the earphone has the correct position, and you can manually adjust the corresponding position of the earphone.
3.12 Can I charge the headset directly on the computer
Yes, use the Type C charging cable to plug into the computer to charge the headset.
3.13 Can I charge the charging box with a tablet or laptop charger
Both 5V/1A chargers can charge the product. Some tablet or laptop chargers can charge the headset, but some tablet or laptop chargers do not support the charging protocol. It is recommended to use a mobile phone charger to charge the headset.
4 Appearance & Structure & Accessories
4.1 What accessories are included
The accessories include a charging cable with a Type-C interface. A pair of S, M, L earmuffs each, of which the M size has been assembled on the earphones.
note:
1. The attached Type C charging cable only supports charging function
2. There is no power adapter in the accessories
4.2 How to choose earmuffs and replace earmuffs
There is a difference in size between the left and right ears of each person, especially the ear canal. Some people have a big difference between the left and right ear canals, so the earmuffs may not fit the ears. You can choose earmuffs of different sizes according to the size of the ear canal, not necessarily a pair of earmuffs, you can choose earmuffs of different sizes for the left and right ears. After replacing the appropriate earmuffs, you will feel comfortable after inserting the earphones into the ear canal. There is no swelling caused by the earmuffs being too large, or the earmuffs being too small and easy to fall off.
You can use the ear canal fit detection function for fit detection to help you choose the right ear cap.
4.3 The shaft feels not strong enough, will it break during use
Our products have passed rigorous tests to ensure that the switch box still feels good after 10,000 times. Even after 10,000 times, the shaft can continue to work, but there may be a slight gap between the upper and lower shells in appearance. , Also does not affect the functional experience.
4.4 Does the upper and lower cover of the charging box shake
In order to ensure the stability of the switch cover, it is necessary to reserve a safety gap. We have passed 10,000 verifications for normal opening of the box. Please rest assured to use it.
4.5 How long is the service life of the headset
The warranty period is 1 year, but the indicators of our products are designed in accordance with the standard far exceeding 1 year. As the product is used for many years, the performance of the lithium battery will be depleted, and the battery life of the headset will be slightly shortened. This is a normal physical phenomenon.
4.6 How many times are the buttons of the charging box pressed
The charging box button can be pressed more than 30,000 times. This button is only used for the Bluetooth pairing function, the button life is far beyond the daily use needs, please don't worry.
4.7 The charging box cover is not flat
In order to ensure that you can use our products for a longer time, we have reserved a proper gap between the upper and lower covers of the earphone charging box, so that the product feels smoother when the cover is opened and closed, and provides you with a better box opening experience.
5 Functions & Skills
5.1 Key operation
Switch to the next song: double touch any earphone
Answer/hang up a call: double touch any headset
Noise cancellaiton/transparency mode switch: long press any earphone for 1 second
Increase/decrease volume: slide up/down any earphone handle
5.2 Wearing test
When using headphones to listen to music, the music will automatically pause after taking off any of the headphones, and will automatically play after wearing it again.
After taking off the two, the music pauses, put on one or two, take off the time>30s, do not automatically play ; take off the time <30s, automatically play .
5.3 Bluetooth connection instructions
How to connect Bluetooth:
1. When using the headset for the first time, make sure that the headset is in the charging box. Open the charging box and the headset will automatically enter the pairing state.
2. When you need to pair a new mobile phone for non-first use, make sure that the headset is in the charging box, open the charging box, and press and hold the charging box button for 2 seconds until the box's LED light flashes, and the headset enters the pairing state.
3. Turn on the phone's Bluetooth
Regular pairing: Bluetooth headset (OPPO Enco Free2) will be found, click to pair.
Quick pairing: When close to an OPPO phone that supports quick pairing, when the Bluetooth is turned on, the phone will pop up a quick pairing prompt. Follow the on-screen instructions to complete the pairing.
How to disconnect:
1. Put the two earphones into the box and automatically disconnect after 5S after closing the box cover.
2. Click the Bluetooth name after the device is connected, and select Unpair to disconnect.
3. Click the Bluetooth name after the device is connected, and choose to disconnect this connection.
4. Turn off the Bluetooth switch of the device and disconnect.
Automatically reconnect (phones that have already been paired):
If the mobile phone to be connected is the mobile phone that the headset is connected to for the last time, it will automatically connect after opening the cover.
note:
1. The mobile phone needs to be within the transmission distance of the Bluetooth headset, and ensure that the Bluetooth is turned on.
2. Due to the characteristics of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, and the headset may be silent or disconnected.
Connect other devices:
1. Keep the headset in the charging box, open the charging box, press and hold the function button for 2 seconds until the white indicator light flashes, and the headset enters the pairing state.
2. Complete the pairing of the new device on the Bluetooth interface of the mobile phone.
5.4 Why can't I find a Bluetooth headset but cannot pair
Problem phenomenon:
The phone searched for the headset, but it could not be paired.
problem causes:
If you connect to 2.4GHz WiFi while using Bluetooth, because Bluetooth and WLAN share antennas and work in the same 2.4GHz frequency band, when the amount of data transmitted by WLAN is large, Bluetooth will be interfered and the connection will be unstable.
Solution:
1. It is recommended that you temporarily turn off the WLAN and reconnect the Bluetooth headset.
2. Put the headset into the charging box, close the lid for 5 seconds, open the lid, press and hold the charging box function button for 2 seconds, and then the indicator light will flash, the headset enters the pairable state, and the mobile phone searches for the headset Bluetooth to reconnect.
If none of the above work, please try to restore the factory settings: put the dual earphones into the charging box and open the cover, press and hold the function button for 15 seconds until the red light flashes three times and then release it to complete the factory reset. After the factory reset is completed, it will automatically Enter pairing.
5.5 What is the effective transmission distance of Bluetooth and what will happen after exceeding
1. The effective transmission distance of Bluetooth is about 10 meters when there is no obstruction or interference.
2. When the effective transmission distance is exceeded, the connection between the headset and the mobile phone will be automatically disconnected, and will automatically connect when it comes close to the mobile phone again.
5.6 Will the headset be automatically disconnected after it is placed in the charging box
1. After the earphone is put in the charging box, if you don't close the cover, it will not be disconnected automatically and stay connected.
2. After putting the earphone into the charging box, if you close the cover, the earphone and the phone will be automatically disconnected after 5S.
3. If you want to disconnect the phone from the headset, you can do so through the disconnection steps in 5.3
5.7 Why doesn't my headset automatically reconnect after opening the box
Problem phenomenon:
The charging case cover was opened, but it did not automatically reconnect with the phone.
problem causes:
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection. The headset may be silent or disconnected and cannot be automatically reconnected.
2. By default, the headset automatically reconnects to the last connected device, and your headset was not connected to this phone the last time.
3. The mobile phone is far away from the headset, exceeding the effective transmission distance (10m), or there is an obstacle between the headset and the mobile phone.
4. The phone’s Bluetooth is not turned on
solution:
1. Please confirm whether your earphones are in an environment with strong interference, and stay away from objects with large electromagnetic interference such as microwave ovens.
2. If it is not the last connected mobile phone, please re-pair the connection.
4. Turn on Bluetooth on the mobile phone.
If none of the above can be solved, please put the earphones back into the charging case and close the case cover for 5 seconds, then reopen the case cover and try again.
If none of the above can be resolved, please try to restore factory settings.
5.8 How to use the headset to answer/hang up a call
Line connected:
1. When a call comes in, double-click the left or right earphone or press the answer button on the mobile phone to answer the call.
2. When you make a call, wear a headset and make a call directly on the mobile phone to use the headset to make a call. Or you can use the voice assistant to call the contact and enter the conversation state.
hang up the phone:
During a call, double-click the left earphone or the right earphone to hang up the call, or press the hangup button on the mobile phone to hang up the call.
You can answer the phone during the music or video process. After the call is hung up, it will automatically enter the music or video state.
5.9 Can others hear me when I call
No, there will be no crosstalk with other devices, please rest assured to use.
5.10 The other party hears a low voice and noise during a call
If there is an obstacle or a long distance between your mobile phone and the headset, it may cause the other party to hear a small sound and noise. Please make sure that there is no obstacle between the mobile phone and the headset, for example, take the mobile phone out of your trouser pocket and put it in your jacket pocket.
If the signal at the place where you are calling is weak, network instability will affect the quality of the call. Please move to a good signal area before talking.
If there is a large electromagnetic interference object next to you, it may cause the other party to hear low and noisy sounds. It is recommended that you stay away from objects with large electromagnetic interference such as microwave ovens during use.
5.11 Why can't I listen to songs when the earphone is connected normally
Problem phenomenon:
There is no sound when listening to songs after the headphones are connected normally.
problem causes:
1. Bluetooth is connected, but the phone "Media Audio" option is not checked, and "No Media" is displayed.
2. The phone media volume is not turned on.
solution:
1. After the headset is connected to the mobile phone, click "Settings" -> "Bluetooth", find "OPPO Enco Free2" and click the icon on the right to open "Media Audio".
2. Turn up the media volume of the phone before using it.
If none of the above can be resolved, please try to restore factory settings.
5.12 Why is the headset connected but there is no sound or freeze
Problem phenomenon:
The headset is connected to the mobile phone, and there is no sound in the headset after wearing the headset.
problem causes:
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection and cause no sound.
2. Please check the volume setting of the phone to see if the volume of the phone is not turned on and it is muted.
3. The mobile phone is far away from the headset, exceeding the effective transmission distance (10m), or there is an obstacle between the headset and the mobile phone, such as putting the mobile phone in a pocket.
4. When the phone is connected to two Bluetooth devices at the same time, the sound is emitted from the second device, and the first connected device has no sound.
solution:
1. Please confirm whether your earphones are in an environment with strong interference, and stay away from objects with large electromagnetic interference such as microwave ovens.
2. Turn on the volume on the phone.
3. Put the phone and earphones together for use, or reconnect.
4. Disconnect, put the headset back into the charging box and close the box cover for 5 seconds, open the box cover to reconnect with the phone or disconnect the phone from another Bluetooth device.
If none of the above works, please try to restore factory settings.
5.13 The earphone has been connected, why the sound is still loud
Problem phenomenon:
The earphone and the mobile phone are connected, but the sound of music, video, call, etc. is still played out.
problem causes:
Bluetooth is connected, but the "Media Audio" or "Mobile Audio" option is not checked.
solution:
After the headset is connected to the mobile phone, click "Settings" > "Bluetooth", find "OPPO Enco Free2 " and click the icon on the right to open "Media Audio" and "Mobile Audio" .
1. On the Bluetooth settings page of the mobile phone, disconnect the Bluetooth and connect to the Bluetooth again. Can be restored
2. Turn off Bluetooth on the phone, turn on Bluetooth again, the headset and the phone will automatically connect back after the success. Can be restored
3. Put both ears into the charging box and press the box button for 2s to re-pair the Bluetooth. Can be restored
4. If none of the above can be resolved, please try to restore factory settings.
5.14 When recording videos and recordings, are you using headphones or the microphone of your mobile phone
Different mobile phones and software have different settings when recording video and recording, depending on the specific scene you use.
The microphone of the headset is used for calls, music, WeChat voice and video, and the microphone of the mobile phone may be used for video and recording.
You can test by the following methods:
After the headset is connected to the mobile phone, open the recording software, wear the headset and leave the mobile phone for a certain distance (about 3~5 meters) and start recording. After stopping the recording, check whether the recorded video or audio has sound. If there is no sound or the sound is low, it means that the recording is using a mobile phone microphone. If the sound is clear, it means that the recording is using a headset microphone.
5.15 Headphone function consultation summary
1. The headset does not need to consume data.
2. The headset does not support file transfer.
3. The headset has no storage function, and cannot download or play music alone.
4. Headphones can listen to e-books.
5. The headset does not support heart rate monitoring.
6. The headset uses Bluetooth to connect with the mobile phone, and the radiation is very small. The headset has passed strict safety and environmental certification, please rest assured to use it.
7. The earphone can listen to the prompt sound of the navigation software.
5.16 Regarding user feedback, the OPPO Enco Free2 wireless Bluetooth headset is not sensitive to touch or the touch area is small
problem causes:
1. The headset is not touched continuously, and the frequency of double-tap/triple-tap touch is too slow;
2. The touch position is not ideal, the correct touch position should be the concave surface of the headphone shaft;
Explanation:
In order to improve the antenna performance and the stability of the Bluetooth connection, the Enco Free2 headset has redesigned the touch area. The decorative piece of the headset is only sensitive to the upper part of the touch, and the lower part is not touched, but there is no obvious The appearance is distinguished. It is recommended that users touch the upper part of the touch area with their fingers when using the headset to achieve the purpose of convenient use of the headset. The double-tap/triple-tap touch operation needs to be performed quickly to avoid misrecognition by the earphone with a slow touch frequency.
5.17 It is easy to accidentally touch when taking the earphones
It is recommended to hold the earphone handle when taking the earphone.
5.18 It is easy to accidentally wake up the voice assistant when double-clicking
Successful double-click, double-click to avoid frequent, may be separated. 1 S then double-click.
5.19 Why is the sound level in the left and right ears inconsistent
Due to the particularity of Bluetooth headsets, the electromagnetic waves in your area may interfere with the Bluetooth connection, and there will be no sound or the sound perception of the left and right ears is different. It is recommended that you pair the connection again. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it.
Please adjust the position of the headset. The position of the headset will affect the sound level and sound effect.
If there is still an abnormality, please check whether there is any foreign body in the earphone mouthpiece, and you can manually remove the foreign body to restore the normal sound.
5.20 Why is there no sound in one ear or both ears during use
Problem phenomenon:
There is no sound in one or both ears when calling, listening to music, and listening to WeChat voice.
problem causes:
1. I accidentally touched the phone’s Bluetooth switch and turned off the phone’s Bluetooth.
2. Due to the particularity of Bluetooth headsets, your area is in an environment with strong electromagnetic interference, and there will be no sound.
3. You have moved far away from the mobile phone and exceeded the effective transmission distance of Bluetooth.
solution:
1. Check whether the Bluetooth switch on the mobile phone is turned off. If it is turned off, please turn it on immediately to restore it.
2. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it.
3. Please put the phone and earphones together and try to connect again. If it cannot be solved, please put the earphone into the box and close the cover for 5 seconds, then open the cover and connect again.
4. If the above method still does not solve the problem, put the headset into the box, reopen the cover, press and hold the pairing button for 2S, wait until the light flashes continuously to enter the pairable state, re-pair the phone to restore the sound.
If none of the above works, please try to restore factory settings. The way to restore factory settings: long press the function button for 15s until the indicator light flashes red three times and then release
Can the two earphones be used independently
1. When connecting, you need to put two earphones in the charging box and connect with the mobile phone at the same time.
2. The headset can be used independently after connection.
5.21 Why sometimes the concert is automatically paused
Problem phenomenon:
Without manually pausing the music, the music is automatically paused.
problem causes:
The earphone slips out of the ear canal due to too small earmuffs or movement, and the earphone does not sense that it is in the wearing state, and the music is automatically paused.
solution:
Re-wear the earphones and start the music, use the ear canal fit test, choose the earmuffs that suit you, so that the earphones and ears can fit closely.
5.22 Why does the music play automatically after wearing the earphones, and the music automatically pauses when the earphones are taken off
In order to give users a better experience, this model adds the function of automatically playing music when the user wears the earphones, and when the earphones are taken off while listening to the music, the music playback function is paused.
When using headphones to listen to music, the music will automatically pause after taking off any of the headphones, and will automatically play after wearing it again.
After taking off the two, the music pauses, put on one or two, take off the time>30s, do not automatically play ; take off the time <30s, automatically play .
5.23 When watching a video or playing a game, when wearing binaural ears, the music plays automatically
Reason analysis: This model adds the function of automatically playing music when users wear headphones. The headset can’t get whether a video is being played or a game is being played on the phone. Therefore, when the user takes off and then wears it, it will send a playback command to the phone synchronously. When the music player on the phone receives the playback command, it will be called directly. If the player is removed, the music will automatically play. We are optimizing this issue. Please pay attention to the version upgrade of the mobile phone system.
5.24 Why is the music still playing when the earphones are taken off and put in your hands/pockets
Problem phenomenon:
I have taken off the earphones, and the music in the earphones is still playing.
problem causes:
When the headset is taken off, the sensing area of the headset head is covered by the hand/pocket. At this time, the headset will think that it is still in the "ear-in state" and will not pause the music.
solution:
It is recommended that you use the hand of one earphone and put the other in the charging box, which can charge the earphones.
5.25 Are the headphones waterproof
The charging box is not waterproof, and it supports the earphones. This headset adopts IPX4 waterproof design, which can prevent water splashing from all directions from intruding. It is recommended that you wipe the earphones in time after sweating, and wipe the earphone charging contacts before putting it in the charging case. Splash-proof, water-proof, and dust-proof functions are not permanently effective, and the protective performance may be reduced due to daily wear and tear. Do not charge the headset in a wet state, do not wear the headset to swim; damage caused by immersion in liquid is not covered by the warranty.
5.26 Does the headset have noise cancellaiton
When listening to music, watching videos, and playing games, it supports noise cancellaiton, and the audio heard is clearer.
Supports uplink noise cancellaiton during calls, adopts three-mic wind call noise cancellaiton technology, and cooperates with the design of the wind-proof noise cavity to effectively reduce the surrounding noise and bring high-quality call effects.
5.27 The headset cannot be searched or recognized
1. When searching for a Bluetooth headset on the mobile phone, the Bluetooth headset also needs to be in the pairing state.
2. First of all, please make sure that the headset is fully charged (open the charging box and the indicator light is on).
3. Open the cover of the charging box and press and hold the function button for 2S. The indicator light flashes continuously. At this time, the Bluetooth headset is in the pairing state. Please try to search for the Bluetooth headset through your mobile phone to pair.
4. If none of the above works, try resetting the headset to factory settings.
5.28 The Bluetooth is suddenly disconnected while the headset is in use
Problem phenomenon:
The headset suddenly disconnected from the mobile phone.
problem causes:
1. The headset battery is low.
2. The mobile phone is far away from the headset, exceeding the effective transmission distance (10m), or there is an obstacle between the headset and the mobile phone.
3. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection.
solution:
Official remarks:
Please check whether the headset has insufficient power, whether the mobile phone is far from the headset, and whether there is strong electromagnetic interference in the surrounding area (such as airports, high-speed railway stations, etc.), which have certain effects on Bluetooth headsets.
5.29 Will there be adverse reactions after wearing headphones for a long time
The power of the earphone is very small and there will be no heat. Please feel free to use it.
In order to provide a better sound insulation effect and a better sound quality experience, the earphone adopts an in-ear design, which will cause fatigue when worn for a long time. It is recommended that you relax your ears after using it for a period of time.
At the same time, the ear canal fit test can be used to help select the appropriate size ear cap.
5.30 Whether the earphone is stuck in the charging box and will it fall out
The earphones are placed in the charging box and will be magnetically absorbed in the box, and will not fall out during normal use.
There is also a magnetic attraction between the upper and lower covers of the charging box, and there will be no disengagement problems in normal use.
5.31 How good is the sound insulation of headphones
The earphone adopts a full-in-ear design, and the sound insulation effect is better.
Considering safety issues, it is recommended that you turn on the transparent mode when you need to pay attention to the external environment such as riding a bicycle or crossing a road.
5.32 After the headset is connected to the iPhone, the sound of the call is on the phone
Problem phenomenon:
The headset is connected, slide the answer button on the phone, the voice is transmitted through the phone, and the headset is silent.
problem causes:
When the iPhone calls, you need to select the answering method (mobile phone or headset).
solution:
When an iPhone call comes in, you can double-click the headset to answer the call through the headset, or manually select the phone or the headset to answer the call on the mobile phone.
You can also choose whether to call with a mobile phone or a headset when an Apple mobile phone is called. If you do not choose, the headset will be used by default.
5.33 Does a dead battery in the charging box affect the use of the headset
When the headset is fully charged, the use of the headset will not be affected if the charging box is out of power. Excessive discharging may cause the performance of the battery to decrease, so it is recommended that you use it as you charge it.
5.34 How to restore the headset to factory settings
Put the dual earphones into the charging box and open the lid, press and hold the function button (15s) until the red indicator light flashes three times and release it to complete the factory reset.
5.35 How to care for the headset
1. Do not expose the earphones to liquid or humid places;
2. Do not use abrasive solvents to clean the headphones;
3. Please try to avoid placing the earphones in low temperature (below 0°C), high temperature (above 45°C) or environments with large temperature differences for a long time. If you stay in these environments for a long time, the activity of the battery is easily destroyed, causing battery damage;
4. Do not expose the headset to open flames to avoid explosion hazard;
5. Do not touch the earphones with sharp objects, which may cause scratches or damage;
6. Do not insert any objects into the headset, it will damage the internal components;
7. Do not try to disassemble the headset;
8. If you do not use the headset for a long time, please make sure to keep it in a dry place. If it is left for more than a month, charge it on time to ensure the working performance of the battery and headset.
9. Clean the charging column of the earphones in time after exercise to prevent sweat from entering the charging box, which may cause failure to charge;
10. Regularly clean the earphone charging column to avoid the accumulation of dust and paint, which may cause poor contact with the charging box, resulting in failure to charge.
5.36 Does the headset support AAC decoding
This product can support AAC decoding.
5.37 What should I do if it takes too long to pair the frame for the first time
Bluetooth is a 2.4 GHz wireless connection technology. In the case of strong interference, data transmission will definitely be affected, showing the phenomenon of slower pop-ups. This is a problem that all Bluetooth headsets will have. Please feel free to use it.
5.38 The wearing test is not sensitive, and the playback cannot be resumed when the earphone is put on
There are certain compatibility issues between the mobile phone player and the mobile phone, which will occasionally fail several times . We are optimizing this problem. Please pay attention to the version upgrade of the mobile phone system.
5.39 Railway station, substation or some environment, earphone listening to music freezes
The strong interference environment affects the RF performance of the headset, causing the headset to listen to music stuttering. This problem exists in Bluetooth products.
The current product's RF anti-interference effect has no obvious difference compared with friends in different environments. It is no problem to use in offices, coffee shops, homes and other environments where interference is not strong.
5.40 When WeChat/QQ voice is activated, the voice assistant is turned on, and the sound of the headset is played out
When WeChat/QQ voice is activated, the voice assistant is turned on and the HFP protocol is turned on at the same time. HFP conflicts, causing the sound of the headset to be loud. The Airpods headset has the same problem, which cannot be improved at present.
5.41 Double-click the right ear to open the built-in music player
When the mobile phone is in the desktop state, the headset gives a start playback command, and the mobile phone starts its own player by default instead of starting a third-party APP. (This problem is related to the design of the mobile phone itself. Different mobile phones may perform differently. Non-OPPO brand mobile phones may There are other setting methods) Please open the music player you want to use.
5.42 There is no problem with the sound quality when listening to music, but the sound quality becomes worse when playing games
When listening to music, the A2DP protocol is activated;
When playing a game, the game APP starts the HFP call protocol, and the audio bandwidth is narrow and the sound quality is slightly poor under the HPF protocol;
5.43 The headset is out of power after a few days
When the headset is placed outside the charging box, the headset is in a standby state, and there will be standby power consumption. More than 2 days will affect the headset battery performance. It is recommended that the headset be placed in the charging box and closed when not in use.
If the earphone is placed in the box and the cover is not closed, the earphone and the box will have a certain amount of power consumption. The earphone can stand by for 48 hours under full power . It is recommended to close the cover if not in use.
5.44 Why does a pop-up window appear when the headset is opened
This model supports OPPO mobile phone pop-up window function. Only supports quick connection to OPPO phones.
5.45 Can I hear my breathing and heartbeat after putting on headphones
We have enhanced the sound insulation of the earphones to ensure that you enjoy good sound quality and isolate external noise. We are equipped with 3 sets of ear caps for users to choose from, you can choose the most suitable one.
5.46 Does the eardrum feel oppressive when I put on headphones and do not play
The earphone adopts an in-ear design. Wearing the ear for a long time will cause fatigue. It is recommended to take off the earphone and relax the ear after wearing it for a period of time.
After the noise cancellaiton function of the headset is turned on, some users will feel the ear pressure sensation, which will disappear after a period of time.
6 Other Issues
6.1 Delay in watching videos , playing games, and playing games (official speech)
OPPO Enco Free2 headset itself has been optimized for low latency, and both videos and games can enjoy low latency.
The main reasons for the delay in watching the video are as follows:
1. Some player APPs do not have audio and video synchronization functions, such as Tudou, Bilibili, etc., causing a delay of 200~300ms;
2. There are problems in the production and release of individual small videos, and there is a phenomenon of asynchrony between the sound and the picture in the video itself. When this kind of problem occurs, you can disconnect the headset and use the phone to play it outside to confirm whether there is a problem with the video itself.
3. With OPPO mobile phone, you can set the touch function by clicking the "small circle" behind the Bluetooth, and then the three-click function can be switched to the "game mode". For non-OPPO phones, please download the Huanlu APP to set the touch function. Switch the triple-click function to "Game Mode" and turn on "Game Mode", and you can also enjoy low-latency transmission experience; due to the characteristics of Bluetooth transmission, after turning on "Game Mode", if the connection is still stuck, please transfer Location, away from interference signals such as WIFI signal sources or turn off "Game Mode" to ensure a more stable transmission;
Game play delay:
1. The delay experience is related to mobile phones, games, and headsets. If you have higher requirements for low latency, it is recommended to use with OPPO phones. The full link transmission delay of some games can reach 94ms, because different games themselves are different. Please refer to the actual experience of the game as the delay time;
2. With OPPO mobile phones, when playing some games that do not support OPPO's proprietary low-latency games, you can click the "small circle" behind Bluetooth to set the touch function. Switch the triple-click function to "Game Mode" and turn on "Game Mode", and you can also enjoy low-latency transmission experience; due to the characteristics of Bluetooth transmission, after turning on "Game Mode", if the connection is still stuck, please transfer Location, away from interference signals such as WIFI signal sources or turn off "Game Mode" to ensure a more stable transmission;
3. With a non-OPPO mobile phone, in the Huanlu APP, switch the triple-click function to "Game Mode" and turn on the "Game Mode", and you can also enjoy the low-latency transmission experience; due to the characteristics of Bluetooth transmission, turn on the "Game Mode" Later, if you find that the connection is stuck, please move the location away from the interference signal such as WIFI signal source or turn off the "game mode" to ensure a more stable transmission;
(Currently supports OPPO proprietary low-latency games: Peace Elite, Cross Fire, King of Glory, Perfect Piano, QQ Speed, After Tomorrow, Fifth Personality, Quantum Attack, Fortress Front, Collapse 3)
6.2 When I use a Bluetooth headset to connect to a computer and use the conference software, the feedback from the other party is low
Some software voices/videos are picked up by the computer. Please check whether there is any problem with the microphone recording.
6.3 Which interference sources in life will cause the earphone sound to freeze (detailed list of interference sources)
Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations.
When using it, please stay away from the following types of objects with large electromagnetic interference (often appearing in railway stations, airports, commercial streets, etc.):
Radio transmitting buildings such as radio stations and airport towers
Wireless routers, WiFi transmitters, wireless bridges, wireless monitoring equipment, wireless cameras, high-power cordless phones and other wireless transmission equipment
Electromagnetic-related high-power equipment such as microwave ovens and certain medical equipment
6.4 The charging box sometimes does not charge the headset (the charging shrapnel is in poor contact)
If your product occasionally fails to charge,
1. It may be that the angle of the earphone is not aligned when it is put into the charging box. It is recommended that you take out the earphone and put it in the charging box again, and try to see if it can be restored.
2. In addition, for battery safety, do not charge the headset at low or high temperatures, and charge the battery at 0~53°C .
3. Check whether the charging shrapnel contacting the box and the earphones is dirty. You can use a cotton swab to clean it and try to charge it.
4. If you can’t charge normally after you put it in the fully charged charging box several times at room temperature , please contact our after-sales team
6.5 The sound quality of listening to music is not good (official rhetoric)
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
2. The Bluetooth audio encoding format has a greater impact on the sound quality, please turn on the high-definition music button on the phone or set it to AAC encoding format
3. Sound quality is also related to wearing. If wearing is not good, the bass is easy to leak. You can use the ear canal fit test to select the appropriate earplug size.
4. It is also related to the phone system settings and music APP related settings. Check the phone system sound effect settings (such as turning on Dolby sound effects) and whether the sound effect settings in the music APP have been turned on. Turning on may cause the sound quality of the headset to deteriorate. Try to turn off the sound effects to listen to the effects.
6.6 The caller hears a small voice
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
2. Call noise cancellaiton can eliminate common daily noises, but for some special scenes, such as strong winds or fast-driving motorcycles, the collection effect of MIC will be interfered by wind pressure, and the noise cancellaiton effect will decrease. Please try to avoid Use earphones to talk in places with strong air currents
6.7 I lost a headset, can I buy it separately
Yes, please go to OPPO's after-sales service center in various cities to purchase. Just put the new headset into the charging box and close the cover for 30S to use it normally.
6.8 How to upgrade the software of the headset
The headset needs to be connected to an OPPO phone with ColorOS11.0 and above (at the same time, the version number of "OPPO wireless device" is greater than or equal to 3.7.80). If the automatic OTA switch is not turned off, after the firmware update is detected, the upgrade will be performed without perception without the user operating. You can check the firmware version number of the headset to confirm whether the upgrade is complete. (Some WiFi single antenna models do not support)
Users of OPPO phones below ColorOS11 and non-OPPO phones can upgrade the software through the Huanlu APP.
6.9 The Bluetooth headset has been matched with the A mobile phone before, and the A and B mobile phones turn on the Bluetooth at the same time. Can the B mobile phone connect to the Bluetooth headset normally? Can multiple devices be connected at the same time
If mobile phone A is not connected to the headset, mobile phone B can be connected normally; the headset currently does not support the simultaneous connection of two or more mobile phones.
6.10 What should I do if the bottom noise is loud and the current is loud
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
2. Because there are more high-frequency signals and the characteristics of the circuit itself in the Bluetooth headset, there will be some noise at the bottom of the Bluetooth headset. Due to device differences, Bluetooth environment interference, or packet loss, only a small portion of the earphones have obvious noise floor. In addition, different people have different ear sensitivity, and a small number of people may feel this noise floor. But this probability is very low. We are very sorry for this situation.
6.11 Is it possible to wake up the voice assistant through headphones? If so, which models are suitable for ? What about other brands
The voice assistant can be invoked by triple-clicking the left/right earphone, and it supports mainstream Android and ios models.
6.12 How is the noise cancellaiton achieved during the call ? My friend said that the noise on my side is still very loud
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
2. Call noise cancellaiton can eliminate common daily noises, but for some special scenes, such as strong winds or fast-driving motorcycles, the collection effect of MIC will be interfered by wind pressure, and the noise cancellaiton effect will decrease. Please try to avoid Use earphones to talk in places with strong air currents
6.13 Power related: The headset will not automatically turn off/the headset will be out of power overnight/usually on the table after a day (not playing music), why does it still lose power
In order to allow the headset to be able to connect to the mobile phone at any time, the headset will enter a low-power standby mode when it leaves the charging box and is not used for a long time. The battery life of the fully charged headset in standby mode is 48 hours. It is recommended that if you do not use the headset for a long time, please put the headset back into the charging box.
6.14 Why doesn't the remaining battery display when connected to other brands of mobile phones
OPPO Enco Free2 will report the remaining power to all smartphones, but the system interface design of each brand of mobile phone is different, and the remaining power may be displayed in different positions in the mobile phone system. For details, please consult the customer service staff of this brand of mobile phone.
6.15 The earphone call is noisy, why is it better than some unilateral Bluetooth earphones/why use the mobile phone directly
1. Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
2. Call noise cancellaiton can eliminate common daily noises, but for some special scenes, such as strong winds or fast-driving motorcycles, the collection effect of MIC will be interfered by wind pressure, and the noise cancellaiton effect will decrease. Please try to avoid Use earphones to talk in places with strong air currents
6.16 The bluetooth connection is unstable, disconnected, and stuck. What's the matter
Due to the particularity of Bluetooth headsets, electromagnetic waves in your area may interfere with the Bluetooth connection, causing silent and intermittent situations. Please keep away from microwave ovens, monitors and other objects with large electromagnetic interference when you use it
6.17 What should I do if the power difference between left and right ears is large? What should I do if there is a difference in charging between the left and right ears
OPPO Enco Free2 may have inconsistent battery levels between the left and right earphones in the following situations:
1. The left and right earphones can be used separately, so when you only use one earphone, the battery level of this earphone will be lower;
2. When you put a certain earphone into the charging box, the earphone will be charged, thus having more power;
3. When calling for a long time, one of the earphones will activate the call noise cancellaiton function, so that when you call, the other party can hear more clearly. But it also consumes more power.
In these cases, it is normal for the left and right earphones to have inconsistent power levels. You only need to put the earphones in the charging box for charging.
6.18 What should I do if there is a difference in power between the left and right ears when I get the headset for the first time
OPPO Enco Free2's different communication mechanisms between the left and right ears lead to different workloads, resulting in a difference in power between the left and right ears. This does not affect the normal trial. Don't worry.
6.19 What should I do if the headset freezes
When the headset crashes, such as no sound, etc., put it in the charging box at this time, and take the headset out after closing the lid for 1 minute to see if the abnormality will be restored; if there is still no effect, you can put the headset in the charging box and press the button for 15s Until the red indicator light flashes three times, the factory settings are restored.
6.20 What should I do if the charging box freezes
When the charging box freezes, such as the button does not respond, etc., plug the charging box into the charger. If there is no effect after plugging and unplugging the charging cable three times, you can get the after-sales test.
6.21 When using headphones while lying down, take off one of the headphones and the music is paused. Putting on the music again does not play
We are optimizing this issue, please pay attention to the version upgrade of the mobile phone system. If you encounter this problem, please wear the headset again while lying down.
6.22 When the earphone is in normal use, the noise cancellaiton is turned on and the noise cancellaiton is turned off
It may be that the earstalk was accidentally touched and the noise cancellaiton switch was accidentally touched. After a period of use, a handy control experience will be achieved.
6.23 Is the noise cancellaiton effect bad
The customer service recommends that you do the following to get a better noise cancellaiton experience:
1. Choose the right ear cap: You can use the "ear cap fit detection function" to assist in choosing the right ear cap to ensure a fit fit. You try to change the ear cap that suits you according to how you feel when wearing your back ears (wearing loose, replace large ear caps; wearing feeling swollen, replace small ear caps), try to change the ear caps that suit you. The size of the human ear canal is also different. You can wear different ears. Model ear caps.
2. Adjust the wearing posture: When wearing the headset, please adjust the angle appropriately and push the headset into the ear canal to ensure a proper and stable wearing.
3. Equipment personalized noise cancellaiton: You can use the personalized noise cancellaiton function to test to obtain a personalized noise cancellaiton solution that is more suitable for your headset.
6.24 Wearing earphones when walking and shaking your head, there is a probability of "da da" sound.
Please change to ear caps that are more suitable for the ear canal, so that the earphones can fit inside the auricle normally, and this noise can be eliminated.
6.25 Why does the sound play outside after I take off the earphones
OPPO Enco Free2 supports the function of wearing detection. When both earphones are taken off, the music will be paused and the call sound will be emitted from the mobile phone. As some apps do not support the pause function of the headset, when both headsets are removed or both headsets are not worn, the sound is released from the phone.
You can turn off this function through the Bluetooth-OPPO Enco Free2-headphone function-wearing detection switch after connecting to Bluetooth.
6.26 Can headphones be connected to TV
At present, all smart TVs released by OPPO support the connection of OPPO Enco Free2 earphones. Other brand TV devices are connected to OPPO Enco Free2earphones, and the TV needs to support the Bluetooth connection function.
6.27 Why is the feedback unsuccessful when I turn on the personalized noise cancellaiton function
The effectiveness of the personalized noise cancellaiton algorithm has certain requirements for the environment. Please be patient and try multiple times based on the interface feedback. The algorithm will always be effective after the detection is successful.
6.28 Why does the noise in the headset change when the personalized noise cancellaiton algorithm is turned on
The personalized noise cancellaiton algorithm intelligently adapts the best noise cancellaiton curve through ear canal detection. The principle is to use two microphones to detect the difference in noise inside and outside the ear, and then select the best noise cancellaiton parameters. During the detection process, you will feel the noise change for about 3-4 seconds. This change is normal. Please feel free to use it.
6.29 Does the personalized noise cancellaiton algorithm need to be turned on multiple times
After the detection is successful, the algorithm will always take effect. The effective algorithm will be used directly every time the connection is used. Put the headset back in the charging box and take it out, and the algorithm will take effect directly.
The algorithm will not be removed until the headset is restored to the factory.
6.30 The ears hurt after wearing the 30 earphones for a long time
Recommended that you replace the earmuffs to improve comfort. You can choose different sizes of earmuffs according to the size of the ear canal. There is a difference in size between the left and right ears of each person, so you can choose different sizes of earmuffs for the left and right ears. After replacing the appropriate earmuffs, the comfort will be improved (the way shown in the figure can be used as a reference for selection). At the same time, it is recommended that you take off the earphones and give your ears a relaxing or kneading massage every 2 hours. You can also rotate the wearing angle to suit you (as shown in the figure below) to reduce the fatigue of the skin in the same area.
6.31 earphone wearing ear pain, uncomfortable, easy to fall off
Construction proposed to replace your right ear sleeve to improve the stability of the wearer , while the right earphones (as may be done with reference to arrows slight angle adjusted to fit their position), other conditions such as left and right upper and lower anti-wear or anti-wear Will cause the headset to be unstable and easy to fall off.
6.32 What to do if it is uncomfortable to wear for a long time
Ear power machine is small, does not happen in the heat, you can use it. The materials of the earphones are strictly tested and passed in accordance with the human health substance control standards, minimizing adverse problems such as skin allergies caused by material irritation caused by long-term wearing. The earphone adopts an in-ear design, which will cause fatigue when worn for a long time, and may feel a little pain when taken off.
1. It is recommended that you choose the right earmuffs, which can increase the comfort of the ears and reduce the pain.
2. The earphone volume should not be too loud. Using too loud for a long time will fatigue your hearing and ear canal nerves, and will easily make your ears feel pain and soreness. It is recommended that you turn down the volume (long press the left earphone/phone volume button to lower the volume), take off the earphones and give your ears a relaxing or rubbing massage after every 2 hours of wearing.
3. If the ear canal is itchy after wearing it for a long time, you can clean the ear canal, replace the one-size earmuffs, check the burrs and protrusions on the surface of the headphone shell, and check whether it is relieved (due to the difference in the shape of the human ear canal , Ear canal fluff and earwax will respond to the stimulation of the earmuffs, so it can be relieved by regular cleaning, replacement of earmuffs, etc.). If it cannot be relieved, and there are some ear discomforts such as redness and swelling on the skin, please contact us immediately.