Many simplified electronic devices like KVM switches are not compatible with compound USB devices. The multiple endpoints on a compound USB device may confuse like our standard X-keys. This version of our firmware emulates pure USB keyboard to ensure compatibility with such devices. Specifically designed to work with KVM switches Easy to program and duplicate No software required for operation This version of our X-keys XK-24 is configured to work with KVM (Keyboard Video Mouse) switches to control multiple computers from a single workstation. Our free Windows-based programming utility makes it easy to assign keystrokes, key combinations, and strings (with or without modifiers) to clearly labeled, dedicated keys. The X-keys emulates a standard USB keyboard and eliminates issues with most KVM input limitations. Programming may be saved as a file and easily duplicated to multiple X-keys for multi-station installations. Programming includes backlighting level and color (blue, red, or combination). Easily customize an input keypad with professionally printed keys, blockers, or molded keycaps.