OPPO Enco Air 4 Pro TWS Earphone Noise Cancellation Earbuds For Find X7 Ultra
Product Description
Description :
Product model (earphone/charging case): ETEA1
Sound unit: 12.4mm dynamic coil
Speaker sensitivity: 112 ± 3dB@1KHz @1mW
Frequency response range: 20Hz-20KHz
Microphone sensitivity: -38dBV/Pa
Bluetooth version: 5.4
Bluetooth effective distance: 10M
Bluetooth encoding and decoding: LHDC5.0/AAC/SBS
Battery type: Rechargeable lithium-ion battery
Battery capacity: 58mAh (for headphones) 440mAh (for charging case)
Music playback time (AAC+ANC Off 50% volume): 12h (single charge)/44h (with charging case)
Music playback time (AAC+ANC On 50% volume): 5.5h (single charge)/20h (with charging case)
Music playback time (LDHC5.0+ANC Off 50% volume): 7.5h (single charge)/28h (with charging case)
Music playback time (LDHC5.0+ANC On 50% volume): 4.5h (single charge)/16h (with charging case)
Charging time: 60 minutes (for headphones)
80min (earphones+charging case)
Charging input (charging case): 5V 1A
Charging input (single earphone): 5V 0.2A
Poor output (charging case to headphones): 5V 0.4A
Charging port: Type-C
Waterproof level (earphones): IP55
Size (whole machine): 66.6 * 51.24 * 24.83mm
Size (earphone): 29.99 * 20.30 * 23.87mm