Features
Frequency response range 20 - 20000Hz
Impedance 32
Sensitivity 110dB
Bluetooth version 5.0
Multiple touch, DSP noise reduction, IPX5 waterproof
Speaker: 7.2mm moving coil unit
Headphones 3.5 hours battery life, charging box 12 hours battery life, charging time about 1.5h, standby 120h
Battery capacity earphone 43mAh, charging bin 310mAh