Features： 1、U?shaped toothbrush with soft food?grade silicone material, 360 degrees contact with the gums and teeth. 2、Comprehensive care of baby oral healthy, can bring a quick and super comfortable oral teeth deep cleaning experience. 3、Can effectively protect gums, promote periodontal blood circulation, and reduce the occurrence of periodontal diseases. 4、Adopts all?around waterproof sealing design with IPX7 waterproof, convenient, durable and effective clean. 5、Toothbrush adopts food grade liquid silicone material, environmental protection and no peculiar smell and has strong toughness. Specification： Item Type: U Shaped Toothbrush Material: Silicone Rated Voltage: 5V Rated Power: <5W Operating Current: <1.6A Charging Time <120 minutes Built-In Lithium Battery: 300mAh Usage: Step 1: Squeeze the toothpaste to the toothbrush head. Either liquid toothpaste or ordinary toothpaste can be used. The ordinary toothpaste must get wet and then put into the mouth. Step 2: Upper and lower teeth gently bite, press the switch, with the hand shake can touches two sides of the big tooth Step 3: Finish cleaning your teeth, rinse your toothbrush and dry. Package List： 1 x Host 1 x USB Cable