brosse dent électriqueOverview This product adopts the omni directional waterproof seal design IPX7 convenient,durable and clean U type tooth brush head design,using food grade silicone antibacterial soft material, 360 contact gums and teeth,Every time you brush your teeth,you can give your mouth a quick and comfortable experience The use of this product can be a good prevention of gingival atrophy, promote the circulation of the periodontal blood,reduce the occurrence of