Logitech M705 Wireless Mouse This mouse offers a fast scrolling wheel and two buttons to allow you to navigate through documents and websites. Its sculpted, right-handed design allows for a natural hand position for comfortable everyday use. The Marathon Mouse is powered by two AA batteries that boast an estimated battery life of three years, depending on usage. Laser Tracking Laser precision means you'll enjoy smoother tracking on just about any surface. Unifying Receiver The tiny wireless receiver stays in your notebook, so there's no need to unplug it when you move around. Plus you can easily add a compatible keyboard or mouse. Fast Scrolling Fly through documents and Web pages with a single spin. Click-to-click scrolling gives you the precision you need when navigating lists, slides, and images. Sculpted Design The sculpted, right-hand shape with stealth thumb button guides your hand to a naturally poised position and places customizable control within your reach. 3-Year Battery Life Up to three years of battery life helps you save time, money, and the planet by reducing the need to change batteries. An indicator light lets you know when the battery is low. Windows and Mac Compatible The Marathon Mouse is compatible with Windows and Mac systems for flexible use with whichever platform you are using.