The Oral-B Genius X is equipped with motion sensors and powered by artificial intelligence to recognize your brushing style and guide you to your best results every day. Now it?s easier than ever to brush like your dentist recommends for a superior clean, for healthier gums. This beautifully advanced toothbrush protects your delicate gums and helps prevent from future issues: the combination of the new revolutionary Gum Guard technology, 360 SmartRing and Pressure Control alert you, reduce speed when you brush too hard and tell you where you overbrush for a gentler routine. Last, but not least, it comes with a lithium-ion battery that lasts more than 2 weeks with 1 full charge. With Oral-B Genius X, you can?t go wrong in brushing. No wonder Oral-B is the Number 1 recommended brand by dentists worldwide.