Ultrasonic Toothbrush for Teen & Kid

Electric Toothbrush for Teens & Kids mipow X miffy ultrasonic Electric Toothbrush for Teens & Kids (Age 3+) Rechargeable Built-in Li battery with speed charging, 3 Modes with Memory, IPX7 Waterproof, 2 Minutes Build-in Smart Timer Interactive for Better Brushing, Aqua, Blue…   EFFICIENT BRUSHING 2021 New Upgraded Electric Toothbrush, Speed - Up to 28000 brush movement/min, remove up to 7x more plaque than a manual toothbrush, removing up 100% plaques, Protect every child’s teeth 3  BRUSHING MODES Meet Children's Various Oral Cleaning Needs, soft (Please massage for 30 seconds); standard whitening  (It takes 1 minute to whiten teeth); Polish Mode (30 seconds for the final Polish cleaning) SMART VIBRATING TIMER Built-in smart timer control, 30 seconds interval reminding you to move to the next quadrant of your mouth, and totally in 2 minutes(4 quadrants), which is highly recommended by professional dentists, as a correct brushing way   2 REPLACEMENT BRUSH HEAD