BrushSync mode pairing & replacement reminders when used with a BrushSync compatible handle (DiamondClean Smart and ProtectiveClean)Removes up to 100% more stains than a manual toothbrush for whiter teeth in just 3 days (in White+ mode)Up to 10x more plaque removal versus a manual toothbrushIncludes 2 standard Philips Sonicare Premium Whitening replacement toothbrush heads