The Braun Oral-B Genius X is equipped with motion sensors and artificial intelligence. Artificial Intelligence recognizes your washing style and guides you every day to get the best results with the free Oral-B app: it's like a home dentist who guides you through your teeth cleaning step by step.Try Oral-B and if for some reason it does not meet your expectations, you will receive a refund within one hundred days from the date of purchase. Campaign terms.