FREQUENCY RESPONSE:20Hz~20kHz
BluetoothBluetooth V5.1 Impedance 32Ω
Sensitivity:100dB
Supporting ProtocolHSP HFP A2DP AVRCP
Connecting distance10m
Battery capacity1400mAh rechargeable battery
Working time55 hours
Standby timeabout 800 hours
Charging timeabout 3 hours
Charging inputDC 5.0V=500mA
Length (cm): 19.0
Width (cm): 9.0
Height (cm): 23.5
Net Weight (kg): 0.39
Gross Weight (kg): 9.00
Pieces per box: 20