About this item This fits your . Make sure this fits by entering your model number. 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 LONG BATTERY LIFETIME AND 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 3 MODES AND 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 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 PORTABLE: Cordless and lightweight, this portable water flosser is ideal for travel. Interchangeable jet tips included for your whole family.