Features:1.Water Pressure Pulse: Teeth cleaner uses water pressure pulse technology to effectively remove more than 99% of the dirt between teeth, reduce gum bleeding, and improve oral health.2.1600 Times Per Minutee: The spray frequency is as high as 1600 times per minute, and the 0.6mm ultra fine water column deeply cleans the gums. It contains four professional nozzles, which can effectively clean between the teeth, gums, braces and tongue fur.3.220ml Large Capacity Water Tank: The 220ml large capacity water tank can fully meet the water volume required for one oral cleaning. Professional IPX7 waterproof design makes it safe and worry free to wash the whole body.4.Three Cleaning Modes: Three cleaning modes, which can be selected according to different oral conditions, and use them consistently to reduce oral problems.5.Large Capacity Battery: Dental water flosser has a built in 800mAh large capacity battery, which can last up to 30 days of subsequent flying after a full ch