Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush - with SenseIQ Technology and Advanced AI App, 5 Brushing Modes, 3 Intensity Levels, Charging Travel Case,Midnight Blue, Model BD9002AZ

We last tracked this at $229.96 (as low as 47% off list price) on June 22, 2026. Amazon deals rotate fast — this one is no longer active, but similar deals come back often.