Product Features:Powerful cleaning up to 41000 strokes per minute 3 HOURS CHARGE FOR MINIUM 15 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 Tooth-waved bristles made with Dupont nylon , to suit teeth topography for through cleaning of gums and hard to reach areasMaterial: ABS / TPE / DuPont nylon bristleCharging mode: 5V-USB chargingVoltage: 3.7VPower: 0.5WFeatures:1. Imported food grade DuPont brush, anti-shedding, anti-scattering, rounding process2, five vibration modes clean, sensitive, massage, solve various oral problems3, body waterproof design, the body can withstand water flow washing and intrusion, base IXP7 waterproof Package Include:1 x Toothbrush handle4 x toothbrush heads1 x USB Charger