Top-Longer PS2 to USB Adapter for Keyboard & Mouse with PS2 Interface,Support PS/2 Port of KVM Switch (Black) Fit with Industrial & Professional Needs. Plug and play with USB2.0 port No driver needed. USB Bus Powered, no power adapter is needed. Connect a PS/2 keyboard and mouse to a USB port on your computer. Support mechanical mouse, Microsoft intellimouse,keyboard,Bar Code Scanner. Works with Mac OS or Windows computers.Compatible for Window 10/8/8.1/7/Vista/XP and Mac OSX Mavericks (10.10) Mountain Lion (10.8), Lion (10.7),Linux , Snow Leopard (10.6) with most USB KVM Switches.