SenseIQ - senses pressure motion coverage and more up to 100x per second. A3 Premium all-in-one brush head has angled bristles to remove up to 20x more plaque. Philips Sonicare app - works with toothbrush for real-time guidance. Sonic technology - brush up to 6200 movements and dynamic fluid action. Comes with a Prestige travel case with integrated USB charging. App compatible with Android 8.0 and above or iOS 13.0 and above. No Brush Head.