100% Cherry MX Red key switches: gold contact Cherry MX mechanical gaming key switches deliver the ultimate competitive advantage Dust and spill resistant: Help protect from accidents so your game never stops. Wired connectivity: USB 2.0 Type-A 100% anti-ghosting with full key rollover: No matter how fast your in-game actions are, every key press registers correctly Fully programmable with CUE: Intuitive and powerful Corsair Utility Engine (CUE) enables sophisticated macro programming and dynamic lighting effects Windows key lock mode: Stay focused and prevent accidental Windows and context menu key presses Note: Software CD not included with the product