The Wireless Laser Desktop 4000 from Microsoft gives you a wireless keyboard and mouse that can be connected to any computer with a USB or PS/2 interface. The keyboard features a silver color scheme with Internet and multimedia function keys. The laser mouse matches the keyboard and features 2 buttons and a 4-way scroll wheel. This wireless bundle is an excellent choice for users who would like to add the freedom afforded by wireless interface to their computer.
Wireless Freedom
The wireless receiver operates using RF technology, eliminating the need for a line of sight connection to between devices that is associated with IR communication. The receiver is keyed specifically to the bundled keyboard and mouse, letting you use multiple wireless keyboard and mice in the same workspace without interference.
Dual Interface
The wireless receiver connects to computers with either a USB or PS/2 interface, letting you easily connect it to most modern computers.
Integrated Solution
The wireless keyboard and mouse share both operate using the same wireless receiver, allowing you to have two devices interface with your computer while only occupying a single USB port.