Philips Sonicare HX9813/92 Next-Generation DiamondClean 9900 Prestige Electric Toothbrush – Intelligent Feedback on Brush Cover, Intelligent Pressure Control, 24 Settings, Quartz Black
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Price: $408.72
(as of Aug 28, 2026 09:47:08 UTC – Details)
Cleanliness to a new level with the Philips Sonicare Next-Generation DiamondClean 9900 Prestige. This electric toothbrush adapts to the individual brushing routine and helps to optimally care for teeth and gums every day with the instructions in real time. Gently removes 20x more plaque¹, provides up to 15x healthier gums² and removes up to 100% more discolouration in under two days¹.
This sonic toothbrush provides intelligent feedback on the cleaning cover, guides through the individual sections in real time when brushing, helping to achieve complete and even coverage. The light ring at the bottom of the handpiece glows yellow if a section has not been cleaned long enough, and blue once a section is clean. After the cleaning unit, all sections that need to be improved are displayed on the display on the handpiece – for complete cleanliness with every cleaning.
SenseIQ automatically adapts to the individual cleaning style. The technology captures up to 100x per second pressure, movement and coverage. If too much pressure is applied, the toothbrush automatically reduces the intensity to protect teeth and gums. In addition, the intelligent pressure control when brushing gives visual feedback on the pressure applied, helping to find the right pressure: the light ring at the bottom of the handpiece glows green when the pressure is just right, it pulsates purple with slight vibration when the pressure is too strong, and it slowly fades to purple when the pressure is too weak. After each cleaning unit, the display shows in which areas the pressure should be adjusted in the future.
For an individual toothbrush experience, the interactive colour display allows you to easily switch between eight cleaning programs — Clean, Deep Clean, White, Gum Health, Sensitive, Max Care, Comfort and Polish — and three intensity levels.
Gentle yet effective cleaning even in hard-to-reach areas with 62,000 brush head movements per minute, using the power of Next-Generation Sonicare technology. The Sonicare{ Fluid Action helps clean the interdental spaces and gum line at the same time.
The Sonicare app helps keep track of all progress. Simply connect the toothbrush to the app to track daily brushing, access a personalised dashboard and get tips on improving brushing technique.
This Sonicare DiamondClean 9900 Prestige Charging Station with Charging Glass and a Prestige Travel Case with Charging Function to keep your toothbrush charged and ready to use on the go.
¹Compared to a manual toothbrush.
² in clean mode compared to a manual toothbrush in six weeks.
Package Dimensions : 9.25 x 6.57 x 4.02 inches; 1.62 pounds
Item model number : HX9813/92
Date First Available : July 22, 2026
Manufacturer : Philips
ASIN : B0GZP149XD
Cleanliness to a new level with the DiamondClean 9900 Prestige: 20x better plaque removal¹, up to 15x healthier gums² and up to 100% removal of discolouration in under two days¹
Full cleaning coverage: the intelligent feedback on the cleaning cover supports cleaning in real time and shows after cleaning on the display which sections should be improved
Intelligent pressure control: Sense IQ automatically adjusts the intensity to suit the brushing style; the light ring glows green when the pressure is just right to protect teeth and gums
Individual care: the interactive display allows you to individually adjust the cleaning experience with 8 cleaning programs and 3 intensity levels; with the Sonicare app you can track progress
The set includes: 1 x Next-Generation DiamondClean 9900 Prestige electric sonic toothbrush, 1 x A3 all-in-one brush head, 1 x Prestige travel case with charging function, 1 x Prestige charging station with glass
This sonic toothbrush comes with a limited 2-year warranty; Philips also offers buyers a 30-day money-back guarantee if they are unsatisfied
