inland ultra pro usb cpi selection 800 1600 dpi ir laser six button mice
ir laser mouse 6key features ir laser mice 800 1600 dpi compatible with all major application software . sensor detects motion on all surfaces including wood plastic etc. scroll directly from your mouse without having to use scrollbars easy installation and operation . system compatibility works with windows 98 2000 me xp nt vista ibm pc pentium 233 compatible or higher available usb port .