◆Bluetooth Version: V5.0+EDR
◆Frequency:2.402-2.480GHz
◆Bluetooth Profile supported: Headset handsfree profiles A2DP and AVRCP
◆Transmission Distance: 10m/ 30feet
◆Talking Time:about 6 hours
◆Music playing time: about 6 Hours
◆Charging time: about 2 hours
◆With built-in high capacity Li-polymer battery