Earphones
- Form factor: True wireless earbuds
- Earbuds model: ETE21
- Colors: White, Gray
- Charging case model: ETE22
Sound Quality
- Dynamic driver: 12.4 mm
- Speaker sensitivity: 110.5 ± 3 dB at 1 kHz
- Frequency response range: 20 Hz to 20 kHz
- Bluetooth codec: AAC/SBC
Noise Cancellation
- Mode: Noise cancellation/Transparency
- Noise cancellation for calls: Dual-mic, AI noise cancellation
- Microphone sensitivity: -38 dBV/Pa
Bluetooth
- Version: BT 5.2
- Range: 10 meters
Battery
- Type: Rechargeable lithium-ion battery
- Capacity: 43 mAh (earbuds)/440 mAh (charging case)
- Music playback time (AAC, default settings, 50% volume)*:
Noise cancellation on: 5 hours (single charge); 20 hours (charging case)
Noise cancellation off: 7 hours (single charge); 28 hours (charging case)
Charging
- Charging time*: 90 minutes (earbuds) / 120 minutes (earbuds + charging case)
- Charging port: USB Type-C
- Charging input (charging case): 5 V⎓1 A
- Charging output (charging case): 5 V⎓200 mA
* All these specifications were obtained based on tests performed by OPPO laboratories. The battery capacity, music playback time, and charging time were tested in OPPO laboratories at a temperature of 25℃ using an OPPO standard charger. The actual results may differ slightly depending on environmental factors and the charger used.
Weight & Dimensions
- Single-earbud weight: 4.3g (± 0.2g)
- Charging case weight: 41.8g (± 1g)
- Product weight: 50.4g (± 1g)
- Charging case dimensions: 66.84 x 51.45 x 25.04 mm
Water and Dust Resistance
- Water and dust resistance (earbuds): IP54
Reviews
There are no reviews yet.