Riversong Wireless Earbuds AIR S-EA81-W


Price:
$ 18

Description

Bluetooth solution: HFP, HSP, A2DP, AVRCP
Frequency range: 20Hz-20KHz
Connection distance: 10m
Speaker size: Φ8mm
Impedance range: 32 Ω±5% 
Earbud battery capacity: 40mAh
Charging case battery capacity: 275mAh
Input: 5V == 0.5A
Charging time: ~2h
Playback time: ~2.5h (volume at 70%)
Charging interface: Micro USB
Net weight: ~21g

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