Mouse Inalambrico Logitech M570 Trackball

TRACKBALL COMFORT Sculpted shape cradles your hand and stays in one place move the cursor without moving your arm CONVENIENT CONTROLS Easy-access Back/Forward buttons make moving quickly between documents or browsing your favorite websites a piece of cake LONG BATTERY LIFE With up to 18 months of use on a single AA battery, you might forget your trackball uses batteries. EASY TO CLEAN If you need to clean your trackball, removing the ball is a snap PLUG'N'PLAY CONNECTION The nano-sized Logitech Wireless Unifying Receiver stays on your computer, plug it, forget it, even add compatible wireless devices without multiple USB receivers. Wireless operation distance: About 10 meters