Philips Sonicare DiamondClean 9000 Sonic Electric Toothbrush with app HX9911/29, Pink

Smart Features: It connects to the Philips Sonicare app for personalized feedback and guidance, allowing users to track their brushing habits and improve over time​ Whitening and Plaque Removal: The toothbrush promises to remove up to 10 times more plaque than manual brushing, helping to whiten teeth in just one day​ Modes and Intensity Settings: It features four brushing modes (Clean, White+, Gum Health, and Deep Clean+) and three intensity levels to suit different oral care needs​ Pressure Sensor: The built-in pressure sensor alerts users when they are brushing too hard, helping to prevent gum damage​ Brush Head Recognition: It automatically adjusts the brushing experience based on the selected brush head, such as the C3 Premium Plaque Control head for a deep clean​