Oral-B Water Floss uses microbubble technology to block the development of bacterial plaque. It mixes air and water creating microbubbles and significantly reduces gum problems when used with specialized toothpaste. With its professional timer, the Pro Series 1 electric toothbrush helps you brush your teeth for 2 minutes, as recommended by your dentist. It emits a signal every 30 seconds so you think about changing brushing areas. Just move the brush in your mouth, the unique Oral-B round brush head takes care of the rest. It removes up to 100% more plaque than a regular manual toothbrush, giving you healthier gums. It makes your smile whiter from the first day of brushing, removing surface stains. Thanks to its professional timer, the Oral-B Pro Series 1 toothbrush is ideal for anyone who wants to switch to an electric toothbrush.