1. Category: bluetooth stereo headset
2. Design scheme: CSR
3. Bluetooth version: V2.1+EDR
4. Bluetooth protocols: A2DP+HFP1.5+HSP1.2;
5. Cycle frequency range: 2.402-2.480GHz
6. Noise reduction performance: CVC noise reduction
7. Ambient noise: ≤90dB
8. Transmit power: class2
9. Transmission distance: ≥10m
10. Charge time: ≤1.5hours
11. Standby time: ≥150hours
12. Talk time: ≥6hours
13. Music time: ≥6hours
14. Life: ≥500times
15. Size: 19*23*51mm
16. Weight: 8.9g
17.Color: Black & White
18. Wearing styles: wearing directly without the ear hook

1. ISO system power indication;
2. Chinese/ English Voice prompt;
3.Multi-device connection;
4.Support stereo music;
5.20M operating distance connecting with Iphone 4S