1 .5 mode: cleaning, gargling, whitening, polishing, nursing

2. Clean teeth with 31000-43000 sonic vibrations per minute

3. 30 seconds change zone reminder, 2 minutes automatic shutdown

4. Roman column non-slip handle

5. IPX7 waterproof design

6. Ultra-long battery life, 60 days a charge

7. Low voltage orange indicator to remind

8. No noise