Gear Head 2.4 GHz Wireless Optical Nano Mouse (MP1950BLK)

Optical Sensing Technology: Scans the desktop at up to 28 inches per second, providing one of the most accurate input devices available on the market today. Built-In Scroll Wheel: Scroll up or down with unprecedented speed and accuracy.2.4 GHz Wireless Connectivity: Our Optical Wireless Travel Mouse was designed to eliminate the hassles and clutter of cords to improve your range of motion and increase productivity. Nano Receiver: Installation is a snap with our plug-n-play Nano Receiver. Simply install the receiver into an available USB Port, insert the batteries to your Optical Wireless Travel Mouse and your mouse will automatically be synchronized to your computer.