Product Features：
1. Low-frequency noise reduction, intelligent noise reduction, no noise, listen to natural sounds
2. Medical silica gel, comfortable to wear, suitable for long-term wear, and does not affect normal life
3. Small size. Portable storage, only 7-8g, very convenient to carry
4. Easy to use, it can be used continuously for 18 hours if you change the AG13 / LR44 battery once. If you use it for 2-3 hours a day, you can use it continuously for a week.

1.Charging for 1 hour can use 40 hours
2.Free 3pcs Ear Plug
3.4 File Volume Adjustable
4.Intelligent Noise Reducton
5.Super mini,pretty and light.
6.USB Rechargable
7.360° Rotated,suitable for both ears.
8.Low noise, low distortion
9.Make sound clear and natual
10.One-key operate,adjustbale voice, easy operation.