220ML Detachable Water Tank & 4 Multifunctional Nozzles - Upgraded 360ml large capacity detachable water tank, no need to constantly refill water. The 360° rotatable nozzle design allows you to easily clean the areas that are difficult to reach and prevents debris and dental plaque. 3 Working Modes & Customize Water Pressure - Weak, strong, pulse. Weak, strong and Pulse modes to meet various oral care needs, and the 3 mode allows you to customize the water pressure in the range 30-80psi that suits your teeth best and you just need press and hold for 2 second to switch modes. Note: The weak mode is recommended for the first use. Rechargeable & Long Battery Lifetime - 1200mAh powerful and environmental lithium battery with the latest technology, fully charged need 4 hours and used continuously for about 30 days. Come with USB Cable (Adapter Not Included), applicable to a variety of charging devices such as power bank, computer, laptop... Waterproof & Portable Design - Enjoy the convenience of cordless water flossing, waterproof design, lightweight and large capacity for use in the shower. It is ideal for travel, outdoor activities and family. Deep Clean & Quality Assurance: Upgraded unique pulsation technique, can effectively remove 99.99% food residue and plaque, massage the gum and promoting blood circulation. Also helpful for bleeding gums, bad breath, good for brace and bridge care. What's in the box 1x Oral Irrigator