Laser Mouse for wireless notebooks offers a high-resolution laser sensor and unique design with a glossy Mercury finish and a see-through side panel that lets you view the scroll wheel. Plug in the included nano receiver and go wireless with 2.4GHz reliability and performance. The small nano receiver plugs into the USB port on your laptop and can stay connected so no need to plug and unplug a bulky receiver. The laser mouse also provides a storage place to slide nano receiver into base. Besidesa great look and nano convenience, this mouse features a 1600 dpi sensor that offers quick and precise movement on almost any surface. The laser mouse also includes three sleep modes for improved battery life and two AAA batteries. System requirements include Windows 7, XP, 2000, Vista or Mac OS 10.4X and higher.