Smarter, faster, and fully-loaded, the MX™ Revolution gives you powerful new controls that will streamline the way you work. Logitech´s innovative MicroGear™ Precision Scroll Wheel lets you fly through long documents at hyperspeed, or switch to precise click-to-click scrolling for navigating lists, slides, and image collections. Toggle between open documents with the convenient Quick-Flip thumb wheel, or search the Web by highlighting a word or phrase and pressing the Search button.