Zero Tension Mouse, Large Black
System Requirements: Apple, PowerPC and Intel computers on the following operating systems: Mac OS 8.6 to 9.2.2;Mac OS X - 10.0 to 10.1.3; Mac OSX - 10.2 to 10.4.x This mouse does not work with a PS2/USB connector! Microsoft? Windows?-based computer with the following: Windows 98 or Windows Millennium Edition with a Pentium 133 MHz or higher processor and 32 MB of RAM; Windows 2000 Professional or Server with a Pentium 133 MHz or higher processor and 128 MB of RAM Windows XP Home Edition or Professional with a Pentium 233 MHz or higher processor and 128MB of RAM This mouse does not work with a PS2/USB connector! (USB requires Windows 98, Windows Millennium Edition, Windows 2000, or Windows XP) NOTE: This mouse will not work with Windows 95 or Windows NT.