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Binaural Low-latency with Bluetooth® 5.3 Transmission
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* The above image is for reference only. Please refer to the actual product for all criteria.
Earphone
Model: ETE91Charging case model: ETE92
Audio Quality
Driver: φ13.4 mm Dynamic UnitDriver sensitivity: 128±3 dB @1 KHzFrequency response range: 20~20 KHzMicrophone sensitivity: -38 dBV/Pa
Bluetooth®
Bluetooth® codec: AAC/SBCBluetooth® version: Bluetooth® 5.3Bluetooth® range: 10 m
Battery Life
Battery type: Rechargeable Lithium-ion BatteryBattery capacity: 32 mAh (earbuds) / 480 mAh (charging case)Communication time (50% volume): 5.5 H (single charge) / 35 H (with charging case)
Charging
Charging time*: 1 H (earbuds) / 2.5 H (earbuds + charging case)Charging input (charging case): 5 V ⎓ 1 ACharging output (charging case to earbuds): 5 V ⎓ 0.4 ACharging port: USB Type-C* The above specifications were obtained based on tests performed in OPPO laboratories. Charging times were tested in OPPO laboratories at a temperature of 25°C using an OPPO standard charger. The actual results may differ slightly depending on environmental factors and the charger used.