HUO JI Mechanical Gaming Keyboard, E-Element Z-77 DIY Blue Switches,Multicolor LED Backlit, Water Resistant Tenkeyless 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 Innovative pluggable Blue Switches  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, 4.00.2mm keystroke travel.Include 5 spare switches for replacement in case some switch does not work. Preset 9 backlighting modes to choose with Fn+Ins  Built-in 8 modes gaming keys lighting-up patterns with FN+(1-8), Support customizable keys lights with FN+(9,0) to make lights of some keys on and others off 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. Durability and Wide Compatibility  Double shot keycap for extreme use. Made of top-grade ABS and metal material, with matte-finish texture, it is sturdy and robust. Compatible with Windows10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, Linux