CREATIVE U-SHAPE BRUSH HEADU-shape brush head soft bristle toothbrush which is made out of food grade silicone, food-grade silicone bristle is soft and hygiene for massaging toddlers' gum, unique designed for children's tender gums and sensitive teeth. MULTIPLE FUNCTIONS The automatic kids toothbrush has multiple functions including 50 seconds timing, Built in 200mAh rechargeable battery. one-time charge for 3 hours can be used about 20 days. (2 times per day, 50 seconds per time).Intelligent voice design, enjoy the fun of brushing your teeth! 3 DIFFERENT MODESThe kids electric toothbrush has 3 working modes, moring mode (15000HZ vibration, the blue light starts), night mode (7500HZ vibration, the red light starts).Brush head cleaning mode(the purple light is on).50 seconds timing for each brushing, it stops automatically. DC CHARGINGJust plug the charging cable into the bottom charging port (about 2 hours), it can be used for about 20 days.