1、5 modes Adjustable: white, clean, polish, gumcare and sensitive for different needs. 2、Deeply cleaning: It can create acoustic wave cleaning force when brushing teeth, it will help clean tobacco and alcohol teeth stains. 3、Intelligent design for regular reminders: Divide the oral cavity into four areas for balanced cleaning, pause to remind replace area per 30s, no dead angle. 4、Food grade brush: Do not fall off and spread and it is made by grinding process. 5、Water proof design: IPX7 waterproof, can be put into the water for a short time, and the performance is not affected. Features: 5 modes adjustable: white, clean, polish, gumcare and sensitive for different needs. Deeply cleaning: It can create acoustic wave cleaning force when brushing teeth, it will help clean tobacco and alcohol remains. Intelligent design for regular reminders: Divide the oral cavity into four areas for balanced cleaning, pause to remind replace area per 30s, no dead angle. Food grade brush: Do not fall off and spread and it is made by grinding process. Waterproof design: IPX7 waterproof, can be put into the water for a short time, and the performance is not affected. Specifications: Model: SA-86 Material: ABS Color: Blue, White, Black, Pink (optional) Charging mode: 5V-USB charging Voltage: 3.7 V Power: 0.5 W Charging time: 8h Waterproof rating: IPX7 Package Weight: 126g / 4.44ounces Package Size: 21 * 9.6 * 3.5cm / 8.26 * 3.37 * 1.37in Packing List: 1 * Electric Toothbrush 4 * Toothbrush Heads 1 * USB power socket 1 * Use Manual 1 * Electric Toothbrush 4 * Toothbrush Heads 1 * USB power socket 1 * Use Manual