There are eighteen distinct backlight modes. For custom macros, there are twelve programmable keys. A separate metal volume wheel and twelve multimedia controls are used to control music and video. One AA battery Onboard memory for lighting configurations and macro storage Replaceable Users Switches for keys 131 Fast Detachable Wrist Rest RGB keycaps with double-shot injection molding. Completely anti-ghosting. Regarding Windows Vista, Windows 7, Windows 8, Windows 10, and Windows XP.