Efficient Teeth Cleaning & Gums Protecting: The water flosser features 1400-1800 per minute pulse frequency and 30-120 PSI water pressure to bring high-power and stable stream delivery that can clean deep into the crevices of the teeth while avoiding secondary damage to the teeth and effectively removes 99.99% of food residue and plaque to keep your breath fresh and improve your oral health.5 Modes with Memory Function & 4 Multifunctional Nozzles: The oral irrigator features 5 modes (Strong, Normal, Soft, Pulse, Child) to meet your different dental conditions. The innovative memory function keeps your preferable mode when using the next time. 2 Standard Tips, 1 Orthodontic Tip, and 1 Tongue Scraper Tip fulfill your variety needs from standard clean to gum massage. The 360 degree rotatable nozzle can easily clean hard-to-reach areas.350ML Water Tank & IPX7 Waterproof: 350ML detachable water tank with the gravity ball provides enough and uninterrupted oral dental flossing. 2 filling options with a big opening for easy pouring and regular cleaning to avoid water residue. The dental flosser is made of food-grade material, safe and secure, IPX7 waterproof design, washable and can even be used in the shower so don't have to worry about spilling water and making a mess in the bathroom.Powerful Battery USB charging & Compact for Travel: Enjoy the convenience of water flosser rechargeable with 4-hour charging and 30-day usage. Equipped with the USB cable Type C which is more common applicable to a variety of charging equipment such as power banks, computers, laptops. Carry-on size water flosser is perfect for travel and home use.