One-key operation three-speed mode adjustment, enjoy the triple-strength clean teeth experience. 360 rotating nozzle to achieve multi-directional cleaning of the oral cavity. Convenient and detachable water tank design, convenient to clean up the dirt in the water tank in time, and clean teeth more hygienic. The standard food material is safe to enter the mouth, and the food-grade material is selected, which is safe and secure, so you can use it with confidence. High-frequency pulse technology, the strong power starts from the ""core"", the built-in smart chip accurately controls the pressure, provides a stable 0.6mm, micro-pulse water flow, penetrates into the gap between the teeth, and easily washes away the oral residue and dirt."