WARM PROMPT: Recommend choose soft mode for the first use; Keep the water tank empty while charging. Please make sure the charging port cover is tightly attached before use. MULTI-APPLICATION WATER TEETH FLOSSER- Powerful 1800 mAh lithium battery will last for 15-20 days when fully charged; Comes with a water resistant PU storage pouch for portable in travel; The power dental flossers perform well on cleaning under the gums, pits, fissures, tooth decay, Ideal for preventing oral problems such as tooth decay, plaque, dental calculus, dental implant, orthodontics and periodontitis, etc. MORE MODES OPTIONAL, MORE WATER STORED - The teeth flusher owns 5 cleaning modes for versatile needs: Strong, normal, soft, pulse and child, easy to set and choose the most comfortable modes for your teeth, tongue and gum; 350ml water tank stores ample water for continuous flossing, once filling water is able to wash teeth thoroughly, don't need to refill water multiple times. SAFE GUARANTEES & ALL-DIRECTION CLEANING - IPX 7 waterproof class with ETL listed body provide dual-protection on both interior and exterior of flosser machine, ensures safe use in shower or bathroom; 360°rotating nozzle easily cleans hidden areas that traditional toothbrush and jet dental floss are difficult to reach and prevents debris and dental plaque. MIS-TOUCH PREVENTION & INTELLIGENT DISPLAY - 3 steps to start water flossing, helps prevent sudden water spraying if your fingers accidentally press the power button; Unique OLED indicating screen will display mode, water temperature, water quality PPM, working time and battery power, provide you convenient teeth cleaning experience. ULTRA-POWERFUL WATER TEETH CLEANER - Equipped with a strong pump, the braces flossers feature 2200-3000 per minute pulse frequency and 50-150 PSI water pressure to bring high-power stream delivery, which removes food residues and stains between teeth and below the gum line thoroughly, keeps your breath fresh and improves your gum health.