Featuring Anti-ghosting:  25-key rollover support  Rainbow backlight with individual LED for each  key  12 selectable lighting schemes Tech specs  Keys: 104Switch type: mechanical  (blue)(Tactile and Clicky)Switch rating: more than 50 million  presses  Key route: 4.0 ± 0.5 mmOperating  force: 60 ± 5 gBacklight:  RainbowInterface: USB 2.0Cable length:  1.5 mOS support: Windows 7 or newer