Exceptional care personalized to you. Sonicare 9900 Prestige with SenseIQ technology is our most advanced power toothbrush. It enhances our proven sonic technology with intelligence, sensing and adapting for holistic care so you always get it right. Our most advanced toothbrush. SenseIQ senses, adapts, cares. All-in-One brush head. AI-powered Sonicare app. SenseIQ technology senses, adapts and cares. As you brush, SenseIQ technology senses pressure, motion, coverage and more up to 100 times per second. It then adapts the intensity if you push too hard. The intelligence of SenseIQ takes the guesswork out of brushing modes, so you can experience effortless care and better brushing over time. All-in-One brush head for complete care. Clean without compromise with the A3 Premium All-in-One brush head. Our all-time best has angled bristles to help remove up to 20x more plaque even in hard-to-reach areas. Triangular tips work to remove up to 100% more stains in less than two days. And longer bristles clean deep for gums that are up to 15x healthier in just two weeks. All that without ever switching brush heads. Did you know brush heads become less effective after 3 months of use? Our BrushSync feature can remind you when it's almost time for a replacement. Champagne color.