Logitech Wireless Mouse M525. The perfect mix of performance, precision & price. Our innovative micro-precise wheel packs more grooves per millimetre, which makes scrolling through long web pages faster & easier. The ergonomically shaped design & soft rubber grips conform to your hand to be naturally comfortable. With 3 full years of battery life, you can almost forget about changing batteries.* The tiny Logitech Unifying receiver connects up to 6 Unifying-compatible mice or keyboards—and stays in your laptop. You’ll enjoy precise clicking & pointing on just about any surface thanks to Logitech Advanced Optical Technology. • Micro-precise scroll wheel • Comfortable, compact shape • 3-year battery life* • Logitech Unifying receiver • Logitech Advanced Optical Technology • Wireless mouse • Logitech Unifying receiver • 2 AA batteries • User documentation= • 3-year manufacturer’s guarantee & full product support