Product information:
Transmission range: 10 meters
Function: Power display, call function, voice control, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: Head-mounted
Single or dual ear: Bilateral stereo

Packing list: USB transmitter x1/headphone x1/ manual x1/Type-c data cable x1/3.5 audio cable x1