Product information:

Transmission range: 15 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 upgrade version, white upgrade version, pink upgrade version
Chip type: Lanxun
Life time: 4 (hours)

Packing list :

Wireless earphone*1

Product picture: