1. Eccentric gear DC motor used in the handles, with 4 children's music songs, helping kids form a good brushing habit.
2. Brush bristle used soft and comfortable American Dupont bristle
3. One On/Off button on the handle and 2 working modes, with music and without.
4. 30 second pause reminding and auto-timer in 2 minutes
5. Suit for IPX6 waterproof
6. With replaceable brush head
7. Operated by 2pcs of AAA alkaline battery