OPPO Enco Buds parameters
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1. Basic Information
| Marketing name | OPPO Enco Buds |
| English name | OPPO Enco Buds |
| Model | ETI81/ETI81 |
| Charging Case Model | ETI82 |
| Color | White |
| price | / |
2. sound
| Driver | 8 mm dynamic driver |
| Frequency response range | 20 Hz- 20 kHz |
| Microphone sensitivity | -38 dBV/Pa |
3. Bluetooth
| Bluetooth code | AAC/SBC |
| Bluetooth version | 5.2 |
| Bluetooth range | 10 m |
4. weight
| weight(Earbuds) | 4.0 g |
| weight(Charging Case) | 37.0 g |
| Overall weight | 45.0 g |
5. size
| Charging Case size（mm) | 67.0 *40.4 *27.2 |
| Earbuds size（mm) | 22.2 *19.6 *22.7 |
6. Features
| Call function | Single microphone AI call noise reduction |
| Noise control mode | / |
| Recognition function | / |
| waterproof level | IP54(The Earbuds is waterproof, the Charging Case is not waterproof） |
7. Touch
| Touch function | Click-tap,Double-tap,Driple-tap,Long press |
| Double-tap | Next track/Answer/End calls |
| Driple-tap | Voice Assistant |
| Click-tap | play / Pause |
| Long press for 1 second | Adjust volume |
| Manual pairing | Long press the ear touch area for 4S |
8. Battery information
| Battery type | Rechargeable Lithium-ion battery |
| Battery capacity | 40 mAh (Earbuds) |
| Battery capacity | 400 mAh (Charging Case) |
| Playtime (50% volume) | 6 h (single charge)/24 h (with Charging Case) |
9. Charging time
| Charging time | 2h (Earbuds) |
| Charging time | 2.5 h (Earbuds+Charging Case) |
| Charging input (charging case) | 5V/1A |