Oral-B Water Flosser Advanced deep cleans and detoxifies below the gumline*. Its unique Oxyjet Technology uses water enriched with microbubbles of air to help eliminate plaque bacteria for healthier gums. The cordless handle uses a long-lasting rechargeable battery for a portable deep clean. The on-demand button gives you great control with less mess. Personalized streams allow for customized cleaning: Multi-Jet for all-around clean, Focused for targeted cleaning, Rotational for gum massage.