暢銷產品
Earphones
Form factor: True wireless earbudsEarbuds model: ETE21Colors: White, GrayCharging case model: ETE22
Sound quality
Dynamic driver: 12.4 mmSpeaker sensitivity: 110.5 ± 3 dB at 1 kHzFrequency response range: 20 Hz to 20 kHzBluetooth codec: AAC/SBC
Noise cancellation
Mode: Noise cancellation/TransparencyNoise cancellation for calls: Dual-mic, AI noise cancellationMicrophone sensitivity: -38 dBV/Pa
Bluetooth
Version: BT 5.2Range: 10 meters
Battery
Type: Rechargeable lithium-ion batteryCapacity: 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-CCharging input (charging case): 5 V⎓1 ACharging 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
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