Removes up to 7x more plaqueRemoves up to 7 times more plaque from hard to reach places than a manual toothbrush.Whitens teeth 2X betterThis Philips Sonicare toothbrush whitens teeth more than 2x better than a manual toothbrush in just 1 week. Removes up to 100% more stains for whiter teeth in just 1 week.Improves gum healthThis Philips Sonicare electric toothbrush provides optimal cleaning between teeth and along the gumline for improved gum health in just two weeks.DiamondClean brush headDiamondClean toothbrush heads, Philips Sonicare's whitening brush head, have diamond shaped bristles to effectively yet gently remove surface stains and scrape away plaque. Removes stain build up from coffee, tea, red wine, cigarettes and tobacco in just 1 week.Sonic technologyPhilips Sonicare electric toothbrush's dynamic action gently and effectively reaches deep between teeth and along the gumline.Quadpacer and SmartimerThe Quadpacer interval timer indicates when it's time to move to another quadrant of the mouth, while the Smartimer helps you reach the dentist recommended brushing time of two minutes.