Product information:
Transmission range: 10 meters
Function: battery display, voice control, call function, support music
Bluetooth protocol: 5.0
Channel: Stereo
How to use: head-mounted
Version: V5.0
Frequency range: 20~20kHz
Impedance: 32Q15%

Packing list:
Charging cable + data cable + packing box + earphone*1