A good day starts in the morning, our product helps you open a happy and confident day!we look forward to your change with our product.Specifications:Material: Food grade silicon + ABSShape: U shapeAngle: 360 degreesPower supply: USB chargingFrequency: 5000-15000 times / minuteRated current: maximum 1500mARated voltage: DC 3.7VInput voltage: DC 5VWaterproof: IPX7Dimensions: 60x25x110 mmSuitable age: Adult：7 yeas the above , Children 3-7The packaging includes:1 x Whitening electric toothbrush1 x USB cable1 x InstructionInstructions:1. After fully charged, install the U-shaped brush head.2. Shake the liquid toothpaste from the foam and apply it evenly on the U-shaped brush head.3. Put the brush head in the mouth, loosen the engaged U-shaped brush head, and select the appropriate frequency mode.4. Easily touch the teeth while shaking the toothbrush back and forth. Then brush your teeth cleanser.5. After brushing your teeth, use a damp cloth to clean the water and stagnation of the fuselage, try to avoid soaking in water