TWS Bluetooth 5.1 In-Ear 9D Mini Touch Sports Binaural Earphones for Phones

Product information:

Transmission range: 10 meters
Function: battery display, call function, voice control, music support, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: earplug type
Single or dual ear: bilateral stereo

A: M10 black large screen
B: M10 black small screen

Packing list:

1X earphone