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 children's young teeth 8. 15000 revolutions per minute 9. Dimensions: 137x50x36 mm 10. Weight: about 67 grams
