Cordless & Portable Water Flosser with Tips Box for Traveling: Portable oral irrigator with a storage bag and extra tips box perfect for carry water flosser and tips while traveling, or use at home,office, hotel. USB cordless water pick convenient for charging on power bank, table anywhere at anytime. Powerful Battery with USB Cable and Adapter: Built-in latest technology lithium battery, the usb rechargable waterpick cordless water flosser will last up to 20 days continuous use after one fully charged in just 4 hours. USB cable and charger adapter are included. 3 Clean Modes with Memory Function: Nicefeel cordless oral flossers teeth cleaner has Normal, Soft, Pulse modes for choosing with Low-noise Design, which can meet various oral needs. Preset a mode before use and the innovative Memory Function helps keep on with your preferable mode for next use even if the portable water flosser has been turned off. High Efficiency Improve Gum Health and Teeth Clean: With 1800 times/minute high pressure water pulse and 4 jet water flosser, 360°rotating long nozzle. The cordless water flosser can powerful cleaning 99.99% food residue every corner precisely that traditional brushing can not reach. Specifically designed for periodontitis, braces. 300ml Extra Large Detachable Cleanable Water Tank: 300ml water reservoir perfect for enough and uninterrupted oral dental flossing without filling in water again and again. It's much easier to clean the it inside of the water tank due to the Open Tank and Detachable Design. With the exclusive patent internal leakproof drainage design, which bring you the safe and more comfortable using experience and extend the item long lifespan.