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About this product
- Experience a next-level clean with DiamondClean 9900 Prestige: remove 2000% more plaque¹, enjoy up to 1500% healthier gums², and achieve up to 100% more stain removal in less than two days¹
- Brush smarter for complete coverage. smart coverage feedback guides you in real time, glowing blue for completed areas, and provides post-brushing feedback on the display to help retouch missed areas
- Achieve perfect pressure. SenseIQ adapts the intensity to your brushing style; smart pressure feedback guides you in real time, glowing green when pressure is optimal to help protect teeth and gums
- Tailor your care. customize your brushing session on the interactive display and choose between 8 modes and 3 intensities; connect your toothbrush to the Sonicare app to track your progress
- The set includes. 1x Next-Generation DiamondClean 9900 Prestige rechargeable sonic toothbrush, 2x A3 All-in-One brush heads, 1x Prestige charging travel case with proprietary USB-A cable, 1x Prestige charging base and glass, 1x Wall adapter
Specifications
- Brand
- Philips Sonicare
- Model
- HX9834/91
- Colour
- Silver White
- Released
- 2026-09-28T00:00:01Z
- Part number
- HX9834/91
- Manufacturer
- Philips
- UPC
- 075020117908
- GTIN
- 00075020117908





