AMS3415+CSR8640

1. Battery: 170MAH

2. Speaker Impedence: 16ohm

3. Bluetooth: 4.1+EDR

4. Chipset: CSR8640+AMS3415

5. Distance: ≤10M

6. Noise Cancel: ANC (feedforward)

7. Playing Time: 8-12H (off ANC)

8. Talking Time: 12-14H (off ANC)

9. Playing Time: 8-10H (ANC)

10. Talking Time: 10-12H (ANC)

11. ANC Working Time: 14H (under ANC w/o music)

12. Noise Reduction: up to 25DB                                                                

13. Microphone: Anlog MEMS Microphone*3                                                 

14. Sensitivity: @1KHZ 101dB/V (passive) @1KHZ 106dB/V (active)

15. Noise Cancell Frequency: 45-1KHZ

16. Environment Noise Reductive: 95%

17. Size: 150*170*21MM

18. Waterproof: IPX6