High Efficiency Improve Gum Health and Teeth Clean: The cordless water flosser can powerful cleaning 99.99% food debris and plaque every corner precisely that traditional brushing can not reach. Specifically designed for periodontitis, braces Equipped with 4 Water Pressure Modes: INSMART cordless oral flossers teeth cleaner has Normal, Soft, Pulse, DIY modes for choosing with low-noise design, which can meet various oral needs, suitable for all ages Powerful Battery 2000 mAh with USB Cable: Built-in latest technology lithium battery, the usb rechargeable water teeth cleaner pick cordless water dental flosser will last up to 21 days continuous use on a single full charge. USB cable is included Large Capacity 300 ml Detachable Water Tank: 300 ml water reservoir perfect for enough and uninterrupted oral dental water teeth cleaner pick without filling in water again and again Easy to Clean: The upgraded removable full-opening water tank allows you to thoroughly clean the limescale and dental plaque, which is impossible for common oral irrigators Memory Function: Preset mode before use and the innovative memory function helps keep on with your preferable mode for next use even if the portable water dental flosser has been turned off Portable Design with Storage Bag for Travel: Cordless and lightweight, this portable water teeth cleaner pick with a storage bag is ideal for travel and outdoor activity as well as home use. 6 interchangeable jet tips included for your whole family