展开Ergonomically designed handle and 360-degree rotating nozzle let you easily control water flow to reach all areas of the mouth. Equipped with a large high-volume capacity tank for more convenience and less time spent filling the unit. Key Features - Soft Water Flosser for Sensitive Teeth - 3 Modes (Soft, Normal, Pulse) Effective Cleaning - Removes bacteria deep between teeth and below the gum line where brushing and flossing can’t reach. Gum Health - Massages and stimulates gums to improve circulation and keep your gums strong and healthy. USB Recharging - Water flosser cable included for convenient recharging. 7.5 OZ Water Tank - Large capacity for extended use.