USB Rechargeable Adult Electric Toothbrush Waterproof Vibrating Toothbrush Features: Help a scientific brushing habit: 30 seconds + 2 minutes smart timer, the handle timer every 30 seconds, brushing teeth, and formulate the dentist recommended brushing habit High quality, high density bristles: durable, deep into the between wisdom teeth and gums, quick cleaning, more efficient cleaning mode The full body waterproof layer can be washed directly About 30 days (2 times a day, 2 minutes each time) ， Don't worry about the charger when you travel Compared to manual toothbrushes, the removal rate is up to 7 times High cleaning frequency: up to 16,000 times / minute Product Description: The product contains: 1x toothbrush + 2x brush heads 1XUSB Compared to manual toothbrushes, the removal rate is up to 7 times Kayannuo Bedroom Decor Clearance Usb Rechargeable Adult Electric Toothbrush Waterproof Vibrating Toothbrush Living Room Decor Features: Help a scientific brushing habit: 30 seconds + 2 minutes smart timer, the handle timer every 30 seconds, brushing teeth, and formulate the dentist recommended brushing habit High quality, high density bristles: durable, deep into the between wisdom teeth and gums, quick cleaning, more efficient cleaning mode The full body waterproof layer can be washed directly About 30 days (2 times a day, 2 minutes each time) ， Don't worry about the charger when you travel