1.1. There are 45% more plaque on electric toothbrushes than manual toothbrushes. This baby electric toothbrush has super cleaning ability. 3. The advanced PBT soft brush head is used to effectively protect the gums and reduce damage. 4. The electric toothbrush head adopts a sleek and compact brush head, which is specially developed to fit the internal structure of the baby's oral cavity and can adapt to the size of the baby's oral cavity. 5. IPX level waterproof, you can brush your teeth and bath at the same time. 6. With low power, a AA battery can be used for about 2 months.