Powerful pulse water:Water flosser supports 3 operation modes (Normal, Gentle, Pulse), delivering a water pressure of 30 to 100 psi, and you can choose your best pressure setting.Water frequency up to 1800 times/minute, quickly clean up food debris and bacteria hiding in your teeth, gum and fissure.Detachable 360Rotating Nozzle:360 rotating nozzle provides deep cleaning, and can be used for cavity prevention, plaque control, tartar control, whitening, gum care, and sensitivity relief. Function better when using it for braces, dental implants and Tooth-Sensitive and good for gum Healthy.IPX7 Waterproof Technology?Featuring waterproof technology. Ideal to use in bathroom. Enhanced safety is ensured through electric leakage proof design.Fully enclosed waterproof body is easy to clean, without being afraid of leakage.Large Capacity Water Tank:Avoid the hassle of having to frequently refill the water while flossing.Convenient and Portable:Fill water into the tank, install the jet tip, select the flush mode, turn on ,then you can have a good cleaning experience anywhere like at home, when traveling, on business, at schoolThank you very much for your trust and support, and I wish you a happy life.I wish you a happy shopping and hope that you and your family will be happy every day and look forward to your next visit. 3 MODES & ROTATABLE NOZZLE DESIGN Normal, Gentle and Pulse modes to meet various oral care needs. The 360° rotatable nozzle design allows you to easily clean the areas that are difficult to reach and prevents tooth decay, dental plaque, dental calculus, gingival bleeding and dental hypersensitivity. LONG BATTERY LIFETIME & CHARGING VIA USB INTERFACE The rechargeable oral irrigator with powerful lithium battery is able to be used continuously for 7-10 days once fully charged. The USB interface charging design is applicable to a variety of charging equipments, thus making charging more convenient. DUAL WATERPROOF DESIGN: IPX7 waterproof design is adopted in both internal and external to provide dual protection. The intelligent design prevents leakage and allows the dental flosser to be used safely for shower in the bathroom. NEWLY-UPGRADED WATER TANK: The upgraded removable full-opening water tank allows you to thoroughly clean the limescale and bacteria inside, which is impossible for common oral irrigators.