Philips Sonicare’ s most revolutionary toothbrush to date! Flex Care Platinum Connected takes the guesswork out of oral care. Smart sensors send your brushing data to the free Sonicare app via Bluetooth wireless technology, providing you personalized coaching and instant feedback for the most complete clean possible! This specific model, HX9192/02, also includes the UV brush head sanitizer which helps kill up to 99% of bacteria and viruses (HSVI, H.A.) on the brush head. From the #1 recommended brand by Dental Professionals.