Product information:
Function: battery display, call function, voice control, support music

Bluetooth protocol: 5.0
Channel: stereo
Usage: hanging ear type
Single or dual ear: bilateral stereo
Color: black, black gray, black red, black blue
Chip type: Broadcom BK

Parameter:
Charging interface: Type-c
Battery capacity: 230mAh
Charging time: about 2 hours
Bluetooth version: 5.0
Standby time: about 220 hours
Play time: about 5 hours
Charging voltage: 5V

Packing list:

Plastic earphone*1