M50 Bluetooth Earphone

Wireless Bluetooth Headset Super-long Standby Bluetooth Earphone
Bluetooth version 5.0
Sensitivity: 101 3 dB
Frequency: 20Hz -20 KHz
Resistance: 32 15%
Driver diameter: 10mm
1. Working distance: 10M directly
 2. Battery: 200mAh
3. Playing time: max to 25H by normal volume
4. Phone talk: max to 35H by normal volume
5. Charging Time: 2-3H
6. Stand-by time :  Max to 1000H
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