GranVela 612 Orange Backlit Wired Mechanical Gaming Keyboard with Kailh Blue Switches - Black 104 keys Orange backlight mechanical keyboard, constructed with floating keys, Kailh blue switches, plug and play, No driver needed, programming is not supported Mechanical keys deliver gaming-grade responsiveness and tactile feedback superior to rubber-domed keys. The keys are optimised for rapid command entry 100% anti-ghosting with full key rollover on USB for accurate translation into the game Adjustable Backlighting brightness makes it easy to find the exact keys even in dimly lit rooms. US Layout Multimedia keys: Fn + F1-F12, provides Windows Key lock for gaming,multimedia controls for entertainment, email and calculator