1. Material: ABS
2. Power supply mode: 1 AAA battery (not included)
3. Control method: push-button
4. 45 seconds smart timing, stop when you finish brushing
5. All-inclusive deep-rooted interdental cleansing
6. Ergonomic design, baby can hold with one hand
7. Vibration at the bottom to protect childrens young teeth
8. 15000 revolutions per minute
9. Dimensions: 137x50x36 mm
10. Weight: about 67 grams