Thank you very much for viewing! (^-^✿) Maruman Pro Sonic Max Electric toothbrush ② (*^_^*) Removes plaque from teeth and gums with 0.02mm ultra-fine bristles! Ultra-powerful vibration at 40,000 per minute. Sonic vibration toothbrush ♪ AA batteries sold separately. With alkaline batteries, using it twice a day for 2 minutes each time, it can be used for approximately 90 days (^-^✿) Please give it a try (*˘︶˘*).｡.:*♡