This powerful water flosser features a powerful pump with a pulse frequency of 2200-3000 times per minute and a water pressure of 50-150 PSI, providing a strong water flow to thoroughly remove food debris and stains between teeth and below the gum line, keeping breath fresh and improving gum health. The anti-accidental touch control and smart display allow for easy activation in just three steps, effectively preventing accidental on/off button presses that could cause water splashing. A unique OLED indicator shows the mode, water temperature, PPM water quality, operating time, and battery level, providing a convenient teeth cleaning experience. For safety and thorough cleaning, it is IPX7 waterproof and ETL certified, providing double protection inside and out, ensuring safe use in the shower or bathroom. The 360° rotating nozzle easily cleans hard-to-reach areas that traditional toothbrushes and floss cannot reach, effectively preventing food debris and plaque buildup. With more modes and a larger water tank capacity, this water flosser offers five cleaning modes to meet different needs: strong, standard, gentle, pulse, and a child mode. Easy to set up, you can choose the most suitable mode based on the comfort of your teeth, tongue, and gums. The 350ml water tank holds enough water for continuous flossing; one fill is enough for a thorough cleaning, eliminating the need for multiple refills. A multi-functional dental flosser. The powerful 1800mAh lithium battery lasts 15-20 days on a full charge. Comes with a waterproof PU storage bag for easy portability. Electric dental floss effectively cleans gums, tooth sockets, gaps between teeth, and cavities, making it ideal for preventing cavities, plaque, tartar, dental implants, orthodontics, and periodontitis. Before use, ensure the charging cap is tightened; before pressing the on/off button again to start flossing, ensure the floss head is in your mouth. Warm reminder: For first-time use, it is recommended to select the gentle mode; please keep the water tank empty while charging.