?USB charging & IPX7 waterproof?USB charging energy storage baby automatic toothbrush can last 360 hours, usually only need to charge once half a month, suitable for various occasions and easy to carry. With the help of IPX7 professional waterproof technology, children can brush their teeth while taking a bath. ?6 brushing modes?The 6 smart modes of this automatic toothbrush are blue light whitening, standard cleaning, high-efficiency cleaning, whitening mode, comfortable massage, and pulse massage. Each child can choose according to his own situation to ensure the safety of the child. ?Dental LED Blue Light?Nano blue LED light has been proven to whiten teeth. Through the redox reaction with pigm. ?Two replaceable brush heads?Children's all-round cleaning teeth are made of medical food-grade liquid silicone, which can protect children's oral health. The toothbrush has two brush heads that can be replaced after a period of use. But before replacement, the toothbrush can be cleaned and reused. ?Brush Head?U-shaped full mouth soft bristles toothbrush can brush off all children's teeth at one time, 360-degree cleaning can eliminate tooth spots, and the cute cartoon shape can make children cherish the toothbrush more and enjoy brushing fun of.