Specifications:

Driver size: 40mm
Speaker lmpedance:  16Ω
Power: 20NW
Frequency response: 90Hz-20KHz
Battery capacity: 300mAh
Charging time: 2-3 hours
Music play time: 10 hours
Taiking time: 10 hours
Standby time: 22 hours
Cord length: 1.2m
Operation range: 10m
Mic sensitivity: - 36dB @ 1KH

Download:

HW110 manual