【24 Hours Shipping】OPPO Enco Air 4 True Wireless Headset/Earphone Bluetooth 5.4 Active Noise Cancelling 43H Battery Life True Wireless Headphone 真无线蓝牙耳机

OPPO. 42 dB Deep Personalized Active Noise Cancellation. 3 Mic Call Noise Cancellation. Up to 30 Hours Music Playback Time. Audio quality. OPPO ENCO Air3-Main Features: Audio quality. Driver: 13.4mm Dynamic Unit. Driver sensitivity: 125±3dB 1KHz. Frequency response range: 20~20KHz. Microphone sensitivity: 38dBV/Pa. Bluetooth. Bluetooth codec: AAC/SBC music), CVSD/MSBC conversation). Bluetooth version: BT5.3. Bluetooth range: 10m. Battery Life. Battery type: Rechargeable Lithium-ion Battery. Battery capacity: 27mAh earbuds 300mAh charging case). Communication time 50 volume): 6h single charge 25h with charging case). Charging. Charging time*: 1.2H earbuds 2H earbuds charging case). Charging input charging case): 5V1A. Charging output charging case to earbuds): 5V400mA. Charging 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