Manufacturer: Logitech. If you need speed and crave control, the Logitech Cordless Desktop MX 5500 Revolution delivers. The rechargeable mouse features hyper-fast scrolling for flying instantly through long documents and a high-performance laser engine for smooth, reliable tracking. The integrated keyboard display provides key information right at your fingertips, and Bluetooth 2.0 technology ensures a fast, reliable connection from up to 60 feet away. The keyboard and mouse also include several controls for easy access to key Windows Vista features – including Flip 3D, Gadgets, and zoom. With these many advanced capabilities, the MX 5500 Revolution pushes your computer’s performance to new limits.