High-frequency pulse dense wave flow cleaning force efficiently removes tooth gap residue and plaque. Constant pressure water column precise into the blind area, a new generation of patented water pump, both utility and comfort. Third-gear FM, intelligent memory, default last enabled mode, better understand your habits. A portable punch with small volume and large capacity is packed into bags, which is easy to use in many scenes. Removable water tank, USB charging port, 242g carrying no pressure, high adaptability, can be used as a mouthwash cup. 360 ° in all aspects of a clean mouth, with no residue between teeth and fresher breath. Four types of professional nozzles meet the needs of various mouth cavities. Charge 1 battery life: 70 days, 1200mAh large capacity battery, 70 days long battery life, 100 minutes fast charging. Life waterproof without fear of getting wet, automatic shutdown protection for 3 minutes to prevent dry burning.