1. Bluetooth 5.0+EDR+class2
2. Support Bluetooth association: AVRCP1.0, GAVDP 1.0, AVDTP1.0, A2DP1.0
3. Hands-Free Profile 1.5, Headset Profile V1.1
4. Wireless transmission range: 10 meters
5. Music/Calling time:10 hours
6. Charging time: 3 hours
7. Frequency response: 20Hz-20kHz
8. Battery type: rechargeable lithium-ion polymer battery
9. Charging power supply: computer USB port DC 5V
10. Free Audio cable included for added comfort