MG-G20 Bluetooth 4.2 Sport Wireless Bluetooth Earphone, Support Card

Bluetooth version: jerry Bluetooth V4.2
Transmission distance: 10 meters
Usage time: 4 hours
Standby time: 4-6 minutes automatic shutdown
Battery: 65mAh rechargeable lithium battery
Function: adjust volume, switch songs, answer incoming calls,
Call reject, hang up, bluetooth play, call heavy
Play, bluetooth back connection, voice prompt, battery display, to
Telegram number, intelligent shutdown, pure English broadcast