Detachable Cleanable Water Tank The Nicefeel water flosser offers an open design and a 300ml detachable water tank for uninterrupted flossing. A revolutionary leakproof drainage system is also included for safety and a longer lifespan. Gum Health and Teeth Cleaning This cordless water flosser has a 360° rotating long nozzle, 4 water flossing jets, and an 1800 pulses per minute high-pressure water pulse to thoroughly clean every crevice. 99.99% of the food debris and plaque that regular brushing can miss can be removed with effectiveness. Customizable Cleaning Modes The Nicefeel cordless water flosser has a low-noise design and 3 cleaning modes (normal, soft, and pulse) to accommodate various mouth cleaning requirements. For easy and reliable use, the flosser also has a memory feature that automatically recalls the recently used setting, even while the device is off. Battery that Lasts Long] With its cutting-edge lithium battery, the cordless water flosser offers up to 20 days of continuous use after only 4 hours of charging. A USB-C connection and charger converter are included with the device for quick and simple charging. Cordless Water Flosser for Travel The Nicefeel portable oral irrigator is convenient to use at home, at the workplace, or at a hotel and comes with a storage bag and extra tips box. The USB cordless design makes it simple to charge on a power bank or table, making it comfortable to use whenever and wherever you like.