Product Information:
Transmission range: 10 meters
Function: battery display, call function, NFC function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: earplug type
Whether single or double ears: bilateral stereo
Color: black
Charging voltage: DC 5V
Earphone talk time: 4h
Battery voltage: 3.7V
Headphone music time: 4h
Headphone charging time: 0.8h
Headphone standby time: 120h
Input earphone current: 5V/100mA
Charging compartment battery capacity: 2200mAh

Packing
Wireless headset *1
3 sets of ear caps + Type-C charging cable + Chinese and English manual *1