FREQUENCY RESPONSE:20Hz~20kHz
BluetoothBluetooth V4.0 Impedance 32Ù
Sensitivity:100dB
Supporting ProtocolHSP HFP A2DP AVRCP
Connecting distance10m
Battery capacity1400mAh rechargeable battery
Working time35 hours
Standby timeabout 800 hours
Charging timeabout 3 hours
Charging inputDC 5.0V=500mA
