Features： 1、Solve seven major problems, improve oral health, solve dental plaque, gum pain, oral odor, etc. 2、To reduce burden on teeth, internal brush are designed with a 45 Degree?70 Degree structure, can better clean tartar, dental plaque and remove dental stains. 3、Can be easily done in 30 seconds, high?speed sound wave vibration, and a more fitting cleaning brush head, clean massage and whitening can be done in one minute. 4、Gentle blue light with a wavelength of 400~520NM can remove pigment deposited on the teeth, brace material has a photocatalyst to inhibit growth of dirts. 5、Three gears can be changed, one?key operation, short press to change gears, long press to shut down. Specification： Item Type: Ultrasonic Electric Toothbrush Material: Silicone, PP Rated Voltage: 3.2-3.7V Rated Power: <5w Battery Capacity: 200 mAh Food grade silicone brush head Instructions: The first step: squeeze toothpaste and place toothbrush head. Liquid toothpaste or ordinary toothpaste can be used. Step 2: Gently place upper and lower teeth on the alveolar, and then press switch, blue light is on, and it can be turned on by pressing it. There are three gears in total, one click to shift gears, and long press to turn off Step 3: Complete tooth cleaning, clean toothbrush, and dry Features: Wireless contact charging. When electrodes of body are in good contact with the charging base, charging base indicator lights up. When it is off, it indicates that body is not properly placed, just adjust placement. Professional blue light brightens, bid farewell to yellow teeth without hurting gums; 400~520NM mild blue light, removes pigment deposits on the teeth. The brace material has a photocatalyst to inhibit growth of dirt, brush away stubborn tartar, bring double cleansing to teeth and protect gums from harm Note: When USB cable is connected to charger, it needs to be inserted in the end. The interface setting of this model is tightly connected to prevent interface from becoming insensitive after a period of use. All tight contacts are normal! The lighting of charging indicator light indicates that connection is successful. If it does not light, it may be that the USB cable is not inserted in place. Package List： 1 x Ultrasonic Electric Toothbrush 1 x USB Charging Cable 1 x Manual 1 x Charging Base