-Ultrasonic deep cleaning, up to 40,000 stroke/min -Remove up to 100% plaque effectively -5 modes selection: White, Clean, Sensitive, Polish, Massage -Built-in 2 minute auto timer with 30 seconds interval pause -IPX7 Waterproof and Tooth-waved bristles -USB Charging and Long battery life Package Include: 1*Electric Toothbrush Handle 2* Replacement Brush Heads 1* USB Charging 1* Instruction Manual 1*Year Warranty Warning: 1.Do not allow children to play with this toothbrush. 2.Keep the product away from the fire. 3.The Dentists recommends replacing the brush head every three months. 4.Do not place the charger in water or other liquid. 5.If you are undergoing treatment for any oral care condition, consult your dental professional firstly.