Bluetooth version：5.4
Frequency response:20Hz-20KHz
Speaker senstivity:102dB±3dB
Speaker size：40mm
Impedance: 32Ω
Wireless distance:10m
Battery capatity: 200mah
Working time：about 6hours
Type-C Charging cable included
don't include Aux cable
with soft PU padding under headand
3D ear cushion
