1> BT Ver.: 4.1
2> Chip: CSR8635
3> Rang: 10 M
4> Battery: 85mAh
5> Voltage: 3.7V
6> Power: <100mW
7> Talking time: 6H
8> Charging time:1-2H
9> Charging way: USB 5V
10> Frequency Response: 20Hz-20KHz
11> Impedence: 16ohm*2
12> Output power: 10mW *2
13> Support HFP/HSP/A2DP/AVRCP/APTX
14> Noise cancelling: CVC6.0