Experience a next-level clean with DiamondClean 9900 Prestige: remove 20x more plaque¹, enjoy up to 15x healthier gums², and achieve up to 100% more stain removal in less than 2 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 areas missed 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: customise 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, 1x A3 All-in-One brush head, 1x Prestige charging travel case, 1x Prestige charging base and glass This Philips Sonicare toothbrush is covered by a 2-year limited warranty, and Philips offers a 100-day money-back guarantee if you are not satisfied with the product