Fairywill always works hard to offer users the highest level of quality and care. 38,000 micro-brushes per minute, this black electric toothbrush gives you a thorough cleaning while making reduced noise. Electric toothbrush with 5 modes for adluts and kids, suitable for different conditions of teeth and gums. The 5 soft, w-shape bristles are designed to suit teeth topography and remove up to 100% more stains from hard-to-reach spots. The lightweight handle makes this electric toothbrush suitable for both kids and adults. Rechargeable electronic toothbrush run for more than 90 days with 6 hour charge，longer standby time than any other toothbrush. The ultrasonic toothbrush with ipx7 rated waterproof design, so the entire toothbrush can be safely rinsed with water and user can safely use toothbrush in the bath or shower. USB cable applicable to a usb port, such as phone, power bank and so on, great for carrying and traveling. Each brush head lasts 3 months so 5 will last for more than one year. If the rechargeable toothbrush bristles fade in color, it's time to replace the brush head. And the built-in 2-minute timer pulses every 30 seconds to helps ensure dentist-recommended brushing habits.