iO™ is Oral- B 's best cleaning technology, combining a unique round brush head with gentle micro-vibrations, while an innovative linear magnetic drive focuses energy exactly where it's needed most - at the tips of the bristles. A refreshing clean feeling and 100% healthier gums in just one week. Surprisingly gentle cleaning and quiet operation. Best results from Oral-B from day one. Removes up to 100% more plaque than a manual toothbrush. 100% healthier gums in one week. Inspired by dentists, the unique round brush head cleans with micro-vibrations and rotational-reciprocating motions. The crisscrossed bristles are angled at 16° and positioned to surround each tooth for a deep clean and effectively remove plaque along the gum line. AI recognizes your brushing style and provides tips in the Oral-B app to ensure you don't leave any areas untouched. The smart pressure sensor lights up red when you're pressing too hard on the brush, and green when you're brushing properly. Interactive black and white display conveys information about 5 cleaning modes, charging time, etc. Travel case.