DescriptionThis Ultrasonic Electric Toothbrush by RAWtronics provides better brushing and cleaning with up to 41,000 strokes per minute. Its tooth-waved bristles, made with Dupont nylon, gently and effectively reach deep between teeth and along the gumline. With its 2-minute auto-timer & 30-second intervals, this toothbrush ensures thorough brushing in your mouth's four quadrants. It has 5 modes —clean, polish, white, gum care, and sensitive, to match your preferred brushing manner. With a full single charge, this toothbrush lasts up to 15 days.