1. Bluetooth 4.0
2. HSP, HFP, A2DP, AVRCP.
3. Wireless distance: 10m.
4. Driver: 5mWx2
5. Freqency: 20-20KHz
6. Music time: upto 6.5 hours.
7. Talk time: upto 7 hours.
8. Standby time: 250 hours.
9. Battery: Built-in 80mAh Li-battery.
10. Weight: 17g.