Feature:1. The brush head is made of PBT soft hair, which fits the baby's mouth, making it easier to penetrate into the inner side of the mouth and effectively clean dead corners.2. The whole body waterproof design, IPX7 grade waterproof, integrated molding process, the whole body can be washed, it can be safely used by the baby who likes to play with water.3. The cute cartoon patterns increase your baby's interest in brushing teeth, and you no longer have to worry about your baby's refusal to brush your teeth.4. The order of brushing is to brush the outside first, then the occlusal surface, and finally the inside; first left and then right, first up and down, first outside and then down, first outside and then inside, and in order.5. Built‑in 600mAh lithium battery, usb charging, it can be fully charged in about an hour, very convenient, no need to worry about buying a battery.Spec:Item Type: Electric ToothbrushMaterial: ABS+POMBrush Head Hair: PBT Soft HairColor: As shown in the pictureProduct Size: Approx.218x26mm/8.58x1.02inWeight: Approx.189g/6.7ozDC Direct Charge: Fully charged in about an hourVibration Frequency: 6500-7800 times/minPower Supply: 5V/ 1.2APower: 2WGear Position: Intelligent two gear adjustmentBrushing Mode: Sonic low-frequency vibrationPower Supply Mode: USB charging Battery Model: battery( built-in)Built-in Battery Capacity: 600mAhHow to UseOne-key switch, two-gears switch. Long press for 1.5 seconds to shut downPackage List:1 x Host2 x Brush Head1 x Data Cable1 x Instruction Manual3 x AccessoriesNotice:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item