The Pursonic Rechargeable Oral Irrigator With Four Bonus Nozzles helps remove bacteria deep between teeth and below the gum where brushing and flossing can’t reach. This oral irrigator massages and stimulates your gums to help improve circulation and keep your gums strong and healthy. An Ergonomically designed handle and 360 degree rotating nozzle let you easily control water flow to reach all areas of the mouth. The Pursonic Rechargeable Oral Irrigator With Four Bonus Nozzles is equipped with a large high volume capacity tank for more convenience and less time spent filling the unit. An AC adaptor is also included so you can just plug it in, fill it up, and reap the benefits of oral irrigation