1. Ultrasonic vibration, intelligent high-frequency vibration, can vibrate 10800 times per minute;

2. The integrated design of the fuselage integrates the contents of the traditional host into the handle, which is more convenient,easy to grip

3. Medical grade alloy steel easy to remove calculus, tea stains, smoke stains;

4. Five-speed strength adjustment, Zhang Chi is comfortable and comfortable;

5. IPX6 waterproof level, use cleaning to be healthier,suitable for daily use.