This ultra-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. Its touch-proof smart design allows for easy activation in just three steps, effectively preventing accidental touches that could cause water splashing. A unique OLED indicator displays the mode, water temperature, PPM water quality, operating time, and battery level, providing a convenient teeth cleaning experience. For safety and thorough cleaning, it features IPX7 waterproof rating and ETL-certified internal and external protection, 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 the accumulation of food debris and plaque. More modes and a larger water tank capacity—this water flosser offers 5 cleaning modes to meet different needs: strong, standard, gentle, pulse, and a child mode. It's 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 a thorough cleaning on a single fill, eliminating the need for multiple refills. A multi-functional water flosser. The powerful 1800mAh lithium battery lasts 15-20 days on a full charge; it comes with a waterproof PU storage bag for convenient travel. This electric water flosser effectively cleans gums, tooth sockets, 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 use, place the water flosser head in your mouth, then press the on/off button once to begin flossing. Warm reminder: For first-time use, we recommend selecting the gentle mode; please keep the water tank empty while charging.