Because some buyer reflect that the bottom cover is not stable , if they don't close it tightly , the waterproof is not good .
So we have updated the bottom design , we have replaced the bottom cover . We adopt new waterproof technology !
USB charging ,convenient for use at home or traveling .No need to charge frequently , one time can be used 3 weeks !
Choose the product you need , we will check it carefully , pack it well , and ship it to you within 48 hours !
Own core patented technology ，Ensure safety and Health , Professional dentist highly recommend it !
The best gift for yourself and your lover is health and high quality life ! Let love and happy be with you forever !
Our products are shipped to 220 countries and regions in the world ! Global Delivery !
When you order it , if you ” Add to Cart ” or ” Add to Wish List ” or “Follow ” us , your order will be sent Preferentially !