Product information:

Transmission range: 10 meters
Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: Mono
Usage: hanging ear type
Whether single or double ears: unilateral hands-free
Color: classic version-bright black, classic version-silver, upgraded version-bright black, upgraded version-black and red, black with charging compartment, black and red with charging compartment

Packing list:

Plastic wireless earphones*1