5 Cleaning Modes, 6 Interchangeable Nozzle Heads: The oral dental cleaner features Strong, Normal, Soft, Pulse, and Simple modes to meet diverse oral care needs. 360° Rotating Nozzle, Prevents Dental Problems: Ergonomically designed with a 360° rotating nozzle for easy control of water flow to reach all areas of the mouth. The 360° rotating nozzle design allows you to effortlessly clean hard-to-reach areas of your teeth and prevent dirt and plaque buildup. 350ml Detachable Water Tank & IPX7 Waterproof: Features a 350ml large detachable water tank with a full opening. The water flosser boasts a unique patented leak-proof drainage and detachable design for a clean and convenient experience. The oral irrigator reliably prevents water leakage, can be used in the bathroom shower, and is washable. Powerful Battery Life: Equipped with a USB cable for long battery life, ideal for travel. It features a powerful and environmentally friendly lithium battery that takes 4-5 hours to fully charge and can be used continuously for approximately 14 days. Comes with a USB cable (adapter not included), compatible with various chargers.