X-keys can be programmed with Windows XP-Windows 11 & MacOS 10.14-MacOS 13 Blue and red addressable backlighting for each key Wired USB connection (1.0 and up) Suitable for handheld, desktop, or mounted use Relegendable keycaps for instant customization Stock trading, Mamorgraphy stations, court reporting, ANY software you can assign macros for Linux users should expect to pre-program their X-keys with Hardware Mode prior to bringing their X-keys over to Linux installs