Specifications:

Response frequency Hz: 20-20000

Impedance ohm: 32

Sensitivity dB: 108dB

Talk time H: 2-3 hours or so

Music time H:2-3 hours or so

Standby time H: 500 hours

Charging time H: 1 hours

Battery capacity: earphone 35mAh, charging box 300mAh

Ready color:

- Black

- White