Electric Toothbrush - sonic, 31000 strokes/min, 5 modes, bluetooth , timer, pressure sensor, battery indicator and 3d cleaning, spare heads: 1 piece(s), with mobile app Philips Sonicare PrestigeSonic Electric Toothbrush with SenseIQ technologyHX9992/12Exceptional care personalised for youThe Sonicare 9900 Prestige with SenseIQ technology is Philips' most advanced sonic electric toothbrush. Unique sonic technology and innovative sensors detect your cleaning style to adapt and care for your teeth and gums. Artificial intelligence combines with a smartphone app to provide individualrecommendationsfor improving your teeth-cleaning habits and automatically selects the best cleaning mode based on the collected data. Intelligent sensors detect when you are applying too much pressure or brushing carelessly and alert you immediately. The Prestige brush head thoroughly cleans your teeth—it removesup to 20 times more plaque*, up to 100% more...