Features:

-Easy to use, the volume can be easily adjusted with the touch of a button, no tools required.

-Built-in energy-saving rechargeable battery prolongs battery life and extends the time between charges, supporting all-day use.

-The charging box can be fully charged in 2 hours, and after being fully charged, it can achieve an ultra-long standby time of 25 hours.

- Which is convenient and comfortable to wear. It comes with earplugs of different sizes to fit everyone's ears perfectly.

-It adopts a compact and lightweight design, which satisfies your convenience of carrying and invisible wearing, and can be used anytime and anywhere.

Specification:

1.Max sound out put: 126±3dB 

2.Sound gain:≥ 28dB±5dB 

3.Total harmonic wave distortion:≤ 3%  

4.Frequency range:F1 ≤ 200Hz F2≥ 4500Hz

5.Input Noise:≤26dB±3dB 

6.Voltage:d.c.3.7V  

7.Current:≤1mA

8. Full charging with about 2 hours

9. Working about 25 hours

10. Both recharge by Magnetic Charge Box for more than 100h working time

11. Digital button control, and Noise Reduce too.

12. Digital charging case clearer when to charge

13. Convenient to carry around

Package Included:

2*Main Unit 

6*Earplugs 

1*Brush 

1*User Maual

1*Type-C Charge cable 

1*Charge Box