Be sure to use only water.
If you use a strange sound, smell burning, please stop using immediately.
Wounds to the foot, if there are trauma such as inflammation, please do not use.
Be careful not to give excessive shock to the product and do not let water get into the operating part.
If there is something wrong with your body during use, please discontinue use immediately.
Do not attempt to repair, disassemble or modify the product.
