Features:

Bluetooth version: Bluetooth 5.1

Transmission distance: outdoor straight line distance 10-15 meters

Battery capacity: polymer lithium battery

Function: fast charging, HD call

Headphone battery capacity: 50MAH

Storage box battery capacity: 2000MAH

Transmission distance: >10m

Battery time:120 hours or so

Support system: all Bluetooth-enabled devices and mobile phones

Color: black, 

 Bluetooth: V5.1, support most of bluetooth devices and lower power consumption

With waterproof technology, no need to worry about water and sweat anymore

Popular touch control function, support switch songs, phone call and call voice assiatant

Packing list: charging box*1, earphone: L R