Ultrasonic Sonic Electric Toothbrush Rechargeable Tooth Brushes Washable Electronic Whitening Teeth Brush Adult Timer Brush brPowerful Ultrasonic Sonic Electric Toothbrush USB Charge Rechargeable Tooth Brushes Washable Electronic Whitening Teeth Brush br brProduct Features: br brPowerful cleaning up to 41000 strokes per minute br br3 HOURS CHARGE FOR MINIUM 15 DAYS USE br brGently and effectively reaches deep between teeth and along the gumline br br2 minutes auto timer, 30-seconds intervals to ensure thourough brushing in four quadrants br brIPX-7 waterproof to be used at bath and shower br brLong battery Ilife, supported by USB charging , safe and easy auto shut off after full charge , compatible with any power source br brTooth-waved bristles made with Dupont nylon , to suit teeth topography for through cleaning of gums and hard to reach areas br brMaterial: ABS / TPE / DuPont nylon bristle br brCharging mode: 5V-USB charging br brVoltage: 3.7V br brPower: 0.5W br brFeatures: br br1. Imported food grade DuPont brush, anti-shedding, anti-scattering, rounding process br br2, five vibration modes clean, sensitive, massage, solve various oral problems br br3, body waterproof design, the body can withstand water flow washing and intrusion, base IXP7 waterproof br br brLong press the power button to turn off brIt is normal for the toothbrush to deform during transportation. Soak it in warm water and it can return to normal.