Transmission range: 15 meters
Function: battery display, voice control, call function, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: Earbuds
Whether single or double ears: bilateral stereo

Button: touch
Battery capacity: 55mAh
Working current: 12ma
Standby time: 120H
Charging box capacity: 500mAh