1、Intelligent timing 2 minutes scientific tooth brushing, intelligent automatic timing and zone change reminder function, develop a good habit of scientific tooth brushing.2、Stable swing and deep cleaning, drive water and toothpaste in the mouth to impact the blind area of the teeth, clean stubborn dental plaque, and deep clean the blind area.3、One key to easily adjust 3 gears, clean, white and gum care, suitable for different needs, smooth and comfortable handle, easy to hold.4、IPX7 waterproof, the main body meets IPX7 waterproof standard, can be directly washed with water. The soft bristles do not hurt the gums and care for the teeth.5、Small and exquisite appearance, easy to carry, so you can clean your teeth at home. USB charging, can be connected to power bank, computer, charging head, convenient and easy to use.