1*AA dry Batteries(Not included)
1. On/Off switch.
2. Waterproof:IPX7
3. Sound waves shaking 9500 times per minute
4. One-click smart cleaning
5. Low noise(≤65dB)
6. Replaceable brush head
7.Portable,clear,healthy design
Include: Three Brush Heads
Micro vibrations and tapered bristles made of soft nylon gently polish teeth for a brighter smile.
Take your manual brushing experience to the next level by pairing regular brush motions with bristle micro-vibrations
Dentists recommend replacing brush heads every 3 months