40000 Brush Movements Per Minute: Sonic care electric toothbrush with oscillating 40000 times per minute, reach deep between teeth gently and effectively, cleaning teeth stains and plaque, make your teeth feel very fresh and clean, feel like you just came from a cleaning at the dentist's office. | Versatile Sonic Care Electric Toothbrush: Five modes and three power adjustments to fit anyone's needs. According to the needs of your teeth and gums, five choices of brushing mode, and three speed / intensity options to combine with as well, this is a great design. | Sonic Electric Toothbrush with Timer and Waterproof: The timer is a good reminder to spend 30 seconds on each quadrant, helps ensure dental professional recommended 2 minute brushing time. The toothbrush has IPX7 waterproof protection, which means you can brush your teeth in the bath. | Long Battery Life for Travel: Use toothbrush twice a day for two minutes and the battery will last for three weeks, and it has a good travel case, which can put toothbrushes in it and take them with it when traveling. | Sonic Electric Toothbrush with Wireless Charging: Use USB wireless charging, the charger is safe and waterproof, and the toothbrush charges via induction, so you do not have to worry about getting shocked by any residual water on the unit.