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 style
Single or dual ear: bilateral stereo
Color: black, X9 white

Packing list:
Bluetooth earphone

Remarks:
Product volume-8.1 cm * 10.1 cm * 3.2 cm