Oral-B Genius X 20000 Rechargeable Toothbrush Midnight Black features a round brush head that allows you to remove up to 100% more plaque than with a standard manual toothbrush, motion sensors powered by artificial intelligence to recognize your brushing style, and 6 brushing modes which include Gum Care, Sensitive, Whitening and Tongue Cleaning. The only brush with position detection to never miss a zone.