Significant noise reduction at 20dB

1.Bluetooth Version:  V5.0

2.Pairing Name: A5 ANC

3.Signal To Noise Ratio(SNR): 98dB

4.Audio Decoding: Support SBC/AAC

5.Effective range: about 10 meters

6.Battery for earphone: 40mAh

              for charging box: 380mAh              

5.Working time:Music: Up to 3 hours;

                           Talk: Up to 3 hours

6.Standby time:Up to 50 hours 

7.Charging time:Approx 1 hours 

8.Microphone: Build-in

9.Driver unit: 10mm  

10.Rated input power: 2mW         

11. Max input power: 5mW         

12. Impedance:  32ohm        (at 1KHZ)       

13. Speaker sensitivity: 100dB (at 1KHZ)       

14. Frequency response: 20HZ-20KHZ