If you need speed and crave control, this desktop combo 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. For Device Type: Computer; Maximum Wireless Range: 60 ft.; Connector/Port/Interface: USB.