Product information:

Transmission range: 10 meters
Function: battery display, call function, NFC function, voice control, support for music, multi-point connection
Bluetooth Protocol: 5.0
Channel: Stereo
How to use: hanging ear
Color: black with warehouse, white with warehouse, blue with warehouse, single ear black, single ear white, single ear blue

Packing list:

Headphone*1, data cable*1, 3 pairs of ear caps*1