Whiter teeth. Gently does it. •Whitens teeth in just 1 week. •Built-in pressure sensor •3 modes, 3 intensities •2 x BrushSync features •Travel case Whitens teeth in just one week •Click on the W2 Optimal White brush head to remove surface stains and reveal a whiter smile. With its densely packed central stain-removal bristles, it's clinically proven to whiten teeth in just one week. Three modes, three intensity settings •This toothbrush allows you to customize your brushing with a choice of three modes and three intensities. Clean mode is standard for superior cleaning. White is the ideal mode for removing surface stains. And Gum Care mode adds an extra minute of reduced-power brushing, so you can gently massage your gums. Three intensities allow you to switch the order of 'higher' and 'lower' to align with the intensities from left to right.