Earphone Earbuds Wireless Bluetooth Earphones HD Call Waterproof Headsets For All Smart Phone

Transmission range: 10 meters
Function: battery display, voice control, call function, support music
Bluetooth protocol: 5.1
Channel: Stereo
How to use: Earplug type
Whether single or double ears: bilateral stereo
Color: black, white, purple, pink, green, blue
Bluetooth use frequency band: 2.4GHZ
Battery capacity: 28mAh built-in left and right ears, charging box battery 300mAh with protective plate
Speaker specification: titanium membrane speaker