The U-shaped brush head is designed to completely surround and clean without blind areas. According to the big data analysis of population engineering, it simulates the shape of children's teeth and uses three-dimensional parameter bionic design. Brush your teeth at 45 degrees without even letting go. The soft and slender bristles penetrate deep into the gaps between the teeth. Tilt the bristles and shake the brush left and right to easily remove plaque. Blue light cleans and whitens teeth, using blue light in the deep part of the teeth to crush the deep pigment and brighten the teeth. The food-grade U-shaped brush head is safe for children to use. The food-grade silicone material is easy to clean, leaving no stains and odors, and is not afraid of baby bites. The power-off memory function remembers the baby's toothbrushing habits, and the next time you brush your teeth, it will still be the last used mode. Scientific timing design, 59 seconds of happy brushing time, 59 seconds of brushing effect is 68% faster than ordinary brushing, easy to get the little cute at home, let your baby fall in love with brushing. Description Product name: U-shaped electric toothbrush Smart memory: support Material: Food grade silicone brush head, ABS body Charging time: