Useful U-shaped brush head: the soft U-shaped brush head of toothbrush is made of reliable silicone, which can brush and wash the teeth in 360 degrees, and is transparent, odorless, tough and wearable; These bristles will not hurt the gums, especiallydesigned for children's tender and sensitive teeth Smart modes: with 3 different smart cleaning modes, the auto toothbrush can satisfy that whole teeth are covered, sound waves wash teeth 18000 times/min, different frequencies, diverse and powerful, care for oral health, clear stubborn tooth stains, whitenteeth, also suitable for sensitive gums, and promote around the gums blood circulation; We recommend adjusting the mode from small to large according to the age of the kids Cute cartoon design: the kids automatic timer tooth brush can increase the fun of brushing teeth, with moving and lovely music, to help your children willing to brush longer, to develop the right brushing habits USB charging and IPX7: ultrasonic automatic toothbrush of USB charging power storage can last 360 hours, usually only need to charge once half a month, so it is suitable for multiple scenarios and easy to carry; With IPX7 technology, kids can brush theirteeth while bathing Second timer control: this automatic toothbrush with 45 second timer function teaches your child to brush his teeth at the recommended time; It only takes 45 seconds to complete the full 360 degree brushing action, more scientific and comprehensive completionof tooth cleaning, at the same time, it helps kids to develop good brushing habits, reduce the occurrence of tooth decay Features: With 45 second timer function teaches, this automatic toothbrush helps kids to develop good brushing habits, reduce the occurrence of tooth decay. Ultrasonic automatic toothbrush is only need to charge once half a month, so it is suitable formultiple scenarios and easy to carry. This U shaped electric toothbrush is nice birthday or festival gift for boys and girls, easily showing your care. Material: silicone Size: 6.7 x 13.9 cm/ 2.64 x 5.47 inch Package includes: 1 x U-shaped brush Warm notice: There is a slight error in the manual measurement of the size. It is suitable for 2-7 years old children.