Clean without compromise with the A3 Premium All-in-One brush heads. Longer bristles clean deep for gums that are 15x healthier in just 2 weeks. Choose from 4 modes and 3 intensity settings. Philips Sonicare app - know when you have achieve a thorough clean. TouchUp feature in app let's you know when you miss a spot. Pressure sensor and 3D mouth sensor. Up to 14 days of battery life. Compatible with Android and iOS. Includes: A3 Premium All-in-One brush head. C3 Premium Plaque Control brush head. Glass charger. Premium travel case.