The electric toothbrush has 6 brushing modes: sensitive mode, gentle mode, cleaning mode, massage mode, gum protection mode and bright white mode, which can meet all teeth cleaning needs. The "W"-shaped design perfectly fits the shape of the teeth and can clean the gums and hard-to-reach areas. Comes with 8 replacement brush heads to avoid frequent ordering of new replacement brush heads. This electric toothbrush has an IPX7 waterproof rating. You can clean the electric toothbrush after brushing your teeth, the entire toothbrush can be safely rinsed with water. You can use it in the bath and shower. Sonic toothbrush electric 45,000 strokes sonic vibration per and penetrates the liquid into the interdental space for a thorough cleaning, which helps prevent tooth decay and improve gum health. Electric toothbrushes for adults interval pause every 30 seconds reminding changing brushing area. 2 minutes auto shut off as the brush time recommend by a dentist. 2-minute timers suitable for adults and kids. One-key cycle operation, long-press the power button to turn on/off, short press to adjust the mode. And this electric toothbrush has a memory function that will remember the last selected mode for future use. It is very simple and convenient to use.