The cordless Oral-B AquaCare 4 water flosser with Oxyjet technology enriches water with micro-air bubbles, thereby improving the health of your gums. You have the option to activate the water jet only when needed. The water flosser features two cleaning modes. You can choose the water intensity for a normal or sensitive clean while using the targeted, rotating, or multi-jet settings. Try it risk-free for 30 days now.