[. . . ] I-ROCKS's new 5-Button USB Laser Mouse is an excellent tool for graphic designers, gamers, and desktop users. [. . . ] This new I-ROCKS mouse uses STMicro new Laser Technology, which provides high tracking power than regular mice using an optical sensor. This means that the USB Laser Mouse will work on virtually any surface, with its extremely high resolution of 1600 dpi. Take full control of your computer with IR-4660 5-Button Laser Mouse. 1600 dpi Laser Mouse 2 Package Contents Laser mouse X 1 Quick Installation guide X 1 TM 1600 dpi Laser Mouse Manual a Quick Installation Guide IR-4660 Hardware Installation 1. Turn on computer 2. Plug the mouse cable into a USB port. 1600 dpi Laser Mouse 3 Page Forward Page Backward 4th and 5th buttons are Internet navigation "forward" and "back" buttons. 800 dpi 1600 dpi DPI Switching Mouse provides instant access to two selectable dpi resolutions for increased configurability of speed, precision and accuracy. Pressing the right and left side mouse button once toggles between 800 and 1600 dpi. 1600 dpi Laser Mouse 4 Safety Measures While the mouse is functioning, no laser light is visible to the naked eye. To reduce the risk of injury, follow these precautions: Stand, stretch, and move around several times every hour. Relax your shoulders and keep your elbows at your sides, Adjust the keyboard's position so that you don't have to stretch to reach it. Adjust your position so that you don't have to bend your wrists to type' avoid placing your wrists on a sharp edge. 1600 dpi Laser Mouse 7 System Requirement To use the laser mouse, your computer must meet the following hardware requirements and run one of the operating system listed below. Microsoft® Windows® 98SE, Windows® ME, Windows® 2000 Windows® XP or Windows® Vista operating system. [. . . ] Microsoft® Windows® 98SE, Windows® ME, Windows® 2000 Windows® XP or Windows® Vista operating system. [. . . ]