The Oral-B Genius X toothbrush is equipped with motion sensors and artificial intelligence to recognize your brushing style and guide you to achieve the best possible results every day - Now it's easier than ever to use brush your teeth as your dentist recommends, for superior cleaning and healthier gums - This perfectly advanced toothbrush protects your delicate gums and helps prevent the onset of future problems: the combination of new technology revolutionary Gum Guard, SmartRing 360 function and pressure control reduce speed and signal if you exert too much pressure, for a smooth brushing routine - Finally, this toothbrush comes with a battery at the lithium-ion that lasts more than 2 weeks with a refill - With the Oral-B Genius X Special Edition toothbrush, your brushing will inevitably be successful - It's no wonder that Oral-B is the most widely used brand of toothbrush by dentists themselves around the world.