The cordless Oral-B AquaCare 6 Pro-Expert water flosser with Oxyjet technology enriches water with micro-air bubbles, providing an intense clean for between teeth and promoting healthier gums. You have the option to activate the water jet only when needed. The water flosser features 6 cleaning modes. You can choose the water intensity for a normal, medium, or sensitive clean while using either a targeted or rotating water jet.