Product information :
Transmission range: 10 meters
Function: battery display, call function, voice control, support music
Bluetooth protocol: 5.0
Channel: Stereo
How to use: hanging ear type
Whether it is single or binaural: bilateral stereo
Color: Extreme Edition Hyun Black [Memory Collar * Quad-core Bio-diaphragm] Gift Box, Extreme Edition Charm Red [Memory Collar * Quad-Core Bio-diaphragm] Gift Box

Packing list:
Headphone*1