Product information:

Transmission range: 10 meters
Features: Noise reduction, power display, call function, voice control, support for music, multi-point connection
Bluetooth protocol :5.0
Sound channel: Stereo
Usage: neck hanging type
Single-binaural or not: bilateral stereo
Color: Black, red, purple, green
Chip type: Jerry
Battery life :30 hours

Packing list:

Headphone *1, USB*1