Blutooth Version: Bluetooth V5.0
 
Support: HFP, HSP, A2DP, AVRCP
 
Key Function: Answer / end /reject a call,music play/pause,last number redial
 
Effective Range: 10 meters/30 feet
 
Charging Case Battery: 800mAh
 
Battery capacity: each 70 mAh
 
Standby Time: about 120 hours
 
Working Time: 5-7 hours
 
Charging: about 2 hours
 
Microphone:Built-in