True Wireless Bluetooth Headset Dual Microphone Headset Wireless Ear

Product information:
Transmission range 1: 0 meters
Function: call function, support music, multi-point connection
Bluetooth protocol: 5.0
Channel: Stereo
How to use: Earplug type
Whether single or double ears: One-sided hands-free
Color: Titanium empty gray, mint green, cherry blossom pink