Universal optical mouse from ART with a resolution of 1000 DPI and a non-slip coating. It has 2 buttons, a scroll wheel and a USB connector that allows you to connect it to your computer. Compatible with Windows 98/ME/2000/XP/Vista operating systems. Features: Transmission: Wired Technology: Optical Port: USB Resolution: 1000 DPI Number of Buttons: 2 Number of Rollers: 1