This wireless optical mouse is very easy to install, just by inserting the USB receiver into your desk computer or laptop USB port, then, it will start to work with no other drivers to install. With advanced 2.4GHz radio frequency technology for transmission, this mouse could work on all directions within as long as 10 meters from your device. Its high resolution ensures precise movement on the computer screen. High Accuracy Mouse This mouse powered with adjustable 1200-1600 DPI optical sensor that make this mouse more fast and accurate. Build with high quality optic and special design to offer high accuracy and precision for gaming. Ergodynamics Design With ergonomics design you will feel comfort even if you use this mouse for long time duration. 2.4GHz Wireless You won't feel any delay or lagging with this wireless mouse, because it use the fastest 2.4GHz wireless. Compatible with many Operating System and device. Windows 98, 2000, XP, Vista, Mac OS or later.