Microsoft Wireless IntelliMouse Explorer with Tilt Wheel - Immersion (M03-00059) Work on most surfaces and offers better durability, increased speed and accuracy, and consistent performance Navigate documents and Web pages effortlessly without using the on-screen scroll bar Customize the mouse by reassigning any button or the wheel to open a file or Web page Cushioned palm rest provides a more comfortable working position Experience accurate finger-operated control and effortless navigation