DURANDAL eSport ULTIMATE equips with four levels of red backlit LEDs that can be adjusted into any situation that gamers can enjoy in the late night combat! Cherry MX key switches, full USB N-key rollover capability, and friendly UI with programmable 5 profiles, up to 50 macro keys are powerful features. Its comfortable palm rest, headphone/microphone jacks, and two USB 2.0 ports are smart convenient extension for gamers.DURANDAL eSport Edition - A supreme weapon for extreme gamers.System Requirements:Windows® XP / Vista / 7 / 8Available USB port