Children Sonic Electric Toothbrush Oral Care Teeth Cleaning USB Charging With 6 Spare Heads Characteristic: Using soft bristles, gently massage the teeth and gums, reduce tooth damage. 3 times higher than the manual toothbrush, more thoroughly remove tartar and food residue in teeth. Turbine type plastic handle, unique non slip design, ergonomic, make brushing easier. Waterproof: The whole body can be washed, but cannot be immersed. Specification: Brushing mode: 4 gears Waterproof grade: IPX6 waterproof Vibration frequency: 19800 times/min Charging method: USB charging Charging time: 3 hours Package Included: 1Pc Smart Sonic Electric Toothbrush Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)