Rapid Repair Gums Serum Relieves Tooth Sensitivity Fast

Product Introduction:

* USB rechargeable;;
* LCD Display;
* Use For Full Body,
* 8 modes and 19 Gears intensi

How to use:

1. Press botton "+" to turn on;
2. Press botton "M" to adjust the modes you need;
3. Press botton "+" to increase the intensity and press botton "-" to decrease the intensity;
4. Press botton "-" to increase the intensity until turn off;

Note:

* Pay attention to the clean and dry skin, do not have sweat!
* If you have heart disease, please do not use it!