The best electric toothbrushes from Oral-B are now available in a double pack. The Oral-B Genius 9900 electric toothbrush features a smart brushing system that helps you brush as your dentist recommends. With its unique position detection technology, you'll never forget an area again. The distinctive round brush head from Oral-B takes care of the rest. The Oral-B Genius 9900 removes up to 100% more plaque than a traditional manual toothbrush and brightens your smile from the very first day of use by eliminating surface stains. But it does even more: the toothbrush helps protect your sensitive gums with a customizable SmartRing and pressure control, reducing the brushing speed if you apply too much pressure. Additionally, the Genius 9900 is equipped with a lithium-ion battery that lasts over 2 weeks on a full charge. With the Oral-B Genius 9900, you can't go wrong while brushing. It's no wonder that Oral-B is the number one toothbrush brand most recommended by dentists worldwide. The rechargeable Oral-B Genius 9900 electric toothbrush is compatible with the following Oral-B brush heads: CrossAction, 3DWhite, Sensi Ultrathin, Sensitive, Precision Clean, Deep Clean, TriZone, Dual Clean, Power Tip, Ortho Care.