RGB Mechanical Gaming Keyboard, E-Element Z-77 Programable RGB Backlit, DIY Blue Switches,Water Resistant, 87 Keys Anti-Ghosting for Mac PC, Black Anti-ghosting 87 Keys. N-key rollover  Allowing multi-keys to work simultaneously with high speed. Each key is controlled by independent switch, let you enjoy high-grade games with fast response. Outemu Blue Switches -Clicky and Tactile  Custom mechanical switches designed for longevity, responsiveness, and durability. Mechanical keys with medium resistance, audible click sound, and tactile feedback. 50 million times keystroke test. Include 5 spare switches for replacement in case some switches do not work. Programable full RGB backlighting  You can program all of the keys to be the same color/what color you want with no driver needed. Preset 10 RGB Backlighting mode with Fn+Ins. Double-shot keycaps for crystal clear backlighting and extreme durability Key Shortcuts and Ergonomic design  Easy to access to calculator, email, web browser, volume, media etc with FN+F1-F12. Ergonomical design: the stepped keycap makes it sleek and thearc and slope fit your hands easily to prevent fatigue. Provides Windows Key lock for gaming Top Quality: Over-engineered Metal and ABS construction,Double shot keycap stand up to hardcore gaming.