ultrasonic sonic electric toothbrush rechargeable tooth brushes washable electronic whitening teeth brush timer brush

powerful cleaning up to 35000 strokes per minute 10 hours charge for minium 180 days use gently and effectively reaches deep between teeth and along the gumline 2 minutes auto timer, 30-seconds intervals to ensure thourough brushing in four quadrants ipx-7 waterproof to be used at bath and shower long battery ilife, supported by usb charging , safe and easy auto shut off after full charge , compatible with any power source