• Up to three switches via 3.5 mm TRRS port with optional adapter
• Connects to any USB port just like a USB keyboard
• Compact - smaller than a pack of chewing gum
• Any contact closure can be converted to a USB HID command
• Accepts 3.5 mm mono, stereo, or TRRS plugs
• X-keys can be programmed with Windows XP-Windows 11 & MacOS 10.14-MacOS 13.
• Linux users should expect to pre-program their X-keys with ‘Hardware Mode’ prior to bringing their X-keys over to Linux installs