RGB Backlight and Red SwitchSupport 14 backlight modes. Press the FN key and another key at the same time, you can change the backlight and brightness, professional mechanical red switches with tactile feel and quiet click sound, provide fast and precise button functions. Plug and PlayFully programmable keys, wired and computer connection, support NumLock, ESC, Tab, Delete, etc. With shortcut keys, it can directly open the computer calculator. Extremely DurableEnsure 50 million keystrokes, key characters that will never fade. ABS construction withstands harsh conditions Ergonomic DesignThe stepped keycap fits your hands easily and prevents fatigue. Spring-loaded ergonomic design protects your wrist. Compatible with PC and desktop computers with Windows 2000 / XP / Vista / 7 / 8 / 10, Android/Linux