Connect using ultra-fast 1ms 2.4 GHz gaming-optimized wireless technology, low latency Bluetooth wireless, or USB wired 100% CHERRY MX Red mechanical keyswitches with gold contacts for fast, precise key presses Per-key, blue LED backlighting and large font keycaps deliver vibrant lighting effects 128-bit AES encryption mode helps protect your keystrokes from wireless eavesdropping to keep your personal data safe Compact and portable tenkeyless design saves on space and makes travel easy Up to 15 hours of rechargeable battery-powered wireless use, or plug-in via USB wired for uninterrupted gameplay Dedicated multimedia and volume controls to adjust your audio on-the-fly 100% Anti-ghosting with full-key rollover ensures your commands and simultaneous keystrokes always register the way you intended Program macros and customize dynamic lighting effects with CORSAIR Utility Engine (CUE) Detachable, soft-touch wrist provides comfort to enhance your gameplay