1. Bluetooth v4.1 CSR
2. Talk time: 4-6 hours
3. Standby: 150 hours
4. Music playing: 3-5 hours
5. Charge time: 1 hour
6. Operating range: 10 meters
7. Sensitivity: -42dB microphone
8. RF transmit power: 90dB
9. Size: 58*13*9.5mm
10. Color: Black, white
11. Battery capacity: 60mA