Cooler Master CK351 Wired Gaming Mechanical Keyboard with Optical Switches, RGB Backlighting, On-the-Fly Controls, and Brushed Aluminum (Brown Switch) Minimalistic Brushed Aluminum Design – Pure silver, brushed top plate, floating keycaps, and minimalistic design built with functionality in mind. RGB Backlighting - Per-key illumination with multiple lighting modes and effects for stunning looks Optical Switches -  Lifespan rated for 100 million clicks and almost zero debounce time will never let you down in the heat of battle On-the-Fly and Software Control - Utilize function combos to adjust settings on the fly or map 16.7 million colors and fine-tune macros via software Wrist Rest - Low-friction cloth to keep you comfortable during long gaming sessions. IP58 Dust & Water Resistance – Protect against accidental spills and liquids that may cause damage. The CK351 Gaming Mechanical Keyboard is the definition of function-over-form with useful features essential for total victory. Optical switches provide response precision and accuracy with near zero debounce time. Full N-key rollover ensures every keypress is registered during the heat of battle. On-the-Fly controls enable customization and strategic adjustments in real time while MasterPlus software offers advanced RGB lighting effects, keymapping and macro customization. Minimalistic brushed aluminum top plate provides distraction-free durability while the standard layout opens the door for customized keycaps. Combined with dust and water resistance to protect your gear from accidental spills, the CK351 will lead you to victory. Minimalistic Brushed Aluminum Design – Pure silver, brushed top plate, floating keycaps, and minimalistic design built with functionality in mind. RGB Backlighting - Per-key illumination with multiple lighting modes and effects for stunning looks Optical Switches -  Lifespan rated for 100 million clicks and almost zero debounce time will never let you down in the heat of battle On-the-Fly and Software Control - Utilize function combos to adjust settings on the fly or map 16.7 million colors and fine-tune macros via software Wrist Rest - Low-friction cloth to keep you comfortable during long gaming sessions. IP58 Dust & Water Resistance – Protect against accidental spills and liquids that may cause damage.