1. Category: bluetooth stereo headset
2. Design scheme: CSR
3. Bluetooth version: V2.1+EDR
4. Bluetooth protocols: A2DP+HFP1.5+HSP1.0
5. Cycle frequency range: 2.402-2.480GHz
6. Noise reduction performance: 2MIC CVC noise reduction
7. Ambient noise: ≤90dB
8. Transmit power: class2
9. Transmission distance: ≥10m
10. Charge time: ≤1.5hours
11. Standby time: ≥100hours
12. Talk time: ≥4hours
13. Music time: ≥4hours
14. Life: ≥500times
15. Size: 51 * 19 * 23mm
16. Weight: 8.9g
17.Color: Black & White
18. Wearing styles: wearing directly without the ear hook

1. Applying noise reduction technology with three microphones
2. Support for hands-free call and any key answer
3. As far as 20 meters' operating range
4. Automatically matching program
5. Keep connecting as in charging