Product description: Bluetooth earphone with high quality sound
BT Ver.:BES V4.0
Rang: 33FT/10 M
Battery: 80 mAh
Voltage: 3.7V
Power: <100mW
Talking time:3.5 H
Charging time:1-2H
Charging way: USB 5V
Frequency Response: 20Hz-20KHz
Support HFP/HSP/A2DP/AVRCP
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