Specification:

TWS Earphone

1.Bluetooth standards: V5.0 

2.Effective range: about 10 meters

3.Support system: Support all mobile phone with Bluetooth function

4.Battery for earphone: 50mAh

              for charging box: 250mAh              

5.Working time:Music: Up to 4 hours;

                           Talk: Up to 4 hours

6.Standby time:Up to 80 hours 

7.Charging time:Approx 2 hours 

8.Microphone: Build-in

9.Driver unit: 10mm  

10.Rated input power: 2mW         

11. Max input power: 5mW         

12. Impedance:  16ohm        (at 1KHZ)       

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

14. Frequency response: 20HZ-20KHZ

Packing:Window Box