OPPO Enco Free2 Parameter List
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1. Basic Information
| Marketing name | OPPO Enco Free2 |
| English name | OPPO Enco Free2 True Wireless Noise Cancelling Earbuds |
| Model | ETI71/ETI71 |
| Charging Case Model | ETI72 |
| Color | White, Black |
| price | / |
2. sound
| Driver | 10 mm dynamic driver |
| Frequency response range | 20Hz-20kHz |
| Microphone sensitivity | -38dBV/Pa |
3. Bluetooth
| Bluetooth codec | AAC/SBC |
| Bluetooth version | 5.2 |
| Bluetooth range | 10m |
4. weight
| weight(Earbuds) | 4.4g |
| weight(Charging Case) | 38.8g |
| Overall weight | 47.6g |
5. size
| Charging Case size（mm) | 66.94×51.50×24 |
| Earbuds size（mm) | 33.9×21.94×19.68 |
6. Features
| Call function | Three microphone call noise cancellaiton |
| Noise control mode | Noise cancellaiton、Transparency、Noise cancellaiton off、Personalized noise cancellation |
| Recognition function | yes |
| waterproof level | The earphone is IP54 waterproof (the charging box is not waterproof) |
7. Touch
| Touch function | Double click, triple click, slide, long press |
| Double-tap | Next song (default) (modifiable: previous song, play/pause) |
| Driple-tap | Voice assistant (default) (modifiable: listen to music, game mode) |
| slide | Swipe up: increase the volume (default) Slide down: Decrease the volume (default) (Can be modified: previous song, next song) |
| Long press for 1 second | Switch between noise cancellaiton and transparency modes (default) (modifiable: noise cancellaiton off mode) |
8. Battery Information
| Battery type | Rechargeable Lithium-ion battery |
| Battery capacity | 41 mAh (Earbuds) |
| Battery capacity | 480 mAh (Charging Case) |
| Music playing time (50% volume, noise cancellaiton mode is on) | 4 h (single charge)/20 h (with Charging Case) |
| Music playback time (50% volume, noise cancellaiton mode off) | 6.5 h (single charge)/30 h (with Charging Case) |
9. Charging time
| Charging time | 1.5 h (Earbuds) |
| Charging time | 1.5 h (Earbuds +Charging Case) |
| Charging input (charging case) | 5V/1A |