Bluetooth version: V5.0 + EDR
Battery capacity: 350mAh
Transmission distance: about 10 meters
Talk / play time: about 4 hours
Charging time: about 1 hour
Standby time: about 120 hours
Support protocol: A2DP1 .3 / HFP1.6 / HSP1.2 / AVRCP1.6 / D11.3