Genius X with artificial intelligence tracks where you brush and where you miss, giving you personalized feedback, so you never miss a spot. Protects your gums: Gum pressure-sensor automatically reduces brushing speed and alerts you if you brush too hard. Round head removes up to 100% more plaque along the gum line for cleaner teeth and healthier gums vs. a manual brush. Includes: Genius X with one Cross Action brush head, lithium-ion battery with up to 2 weeks of charge, smart USB travel case that charges your brush and phone, six cleaning modes (including gum care, sensitive, whitening and tongue cleaning) and charging s. Oral-B is the #1 dentist-recommended toothbrush brand worldwide. Discover the best Oral-B GENIUS electric toothbrush yet –The Oral-B Genius X Electric toothbrush has a revolutionary artificial intelligence technology that enables it to recognize your brushing style and coaches you for your best results everyday. Oral-B's unique round head does all the rest: it removes up to 100% more plaque than a standard manual toothbrush for healthier gums