Wireless Bluetooth Earphone In-ear Super Long Standby Wireless Headsets With Mic LED Stereo Audio Sport Earbuds

Transmission range: 10 meters
Function: battery display, call function, NFC function, voice control, support for music, multi-point connection
Bluetooth protocol: 5.2
Channel: Stereo
How to use: earplugs
Whether it is single or binaural: bilateral stereo
Color: S20 black, S20 white,