Manufacturer: Logitech. The M705 Marathon Mouse gives you up to three years of battery life helps you save time, money, and the planet by practically eliminating the need to change batteries. An indicator light lets you know when the battery is low ( Battery life may vary based on user and computing conditions). The tiny receiver stays in your notebook. Plus, you can easily add a compatible wireless mouse or keyboard without the hassle of multiple USB receivers. Laser precision means you’ll enjoy smoother tracking on just about any surface (The laser sensor does not work on glass or mirrors). The sculpted, right-hand shape with stealth thumb button guides your hand to a naturally poised position and places customizable control within your reach. You’ll 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.