Portable Sonic Automatic Toothbrush Mini Electric IPX7 Waterproof DC 5V

Portable Sonic Automatic Toothbrush , Mini Electric Toothbrush IPX7 Waterproof

There are two main categories of electric toothbrushes: rotation and vibration. The vibration type of toothbrush has an electrically driven vibration motor inside, which can make the brush head produce high-frequency swings perpendicular to the direction of the brush handle, on the one hand, the high-frequency swinging brush head can efficiently complete the action of brushing teeth, on the other hand, more than 30,000 vibrations per minute also make the mixture of toothpaste and water in the mouth produce a large number of tiny bubbles, and the pressure generated when the bubbles burst can go deep between the teeth to clean dirt.