Bluetooth standard V5.3

Transmission power -4~0dBm

Ear endurance Standby time (connected state) about 40H

Talk time is about 10H

Transmission range (accessible open space) >10 meters

Standby current (connected state) 260-750uA

Shutdown voltage 3.1V

Battery type Polymer lithium-ion battery

Battery capacity 58101350mAh