Redragon K568 DARK AVENGER Keyboard Redragon.From N-KEY ROLLOVER, 100% ANTI-GHOSTING 87 KEYS: Each Key Is Controlled By Independent Switch Which Allows Multiple Keys To Work Simultaneously Without Confliction, Giving You Accurate Response With High Speed And Experiencing A New Level Of Gaming And Typing.ERGONOMIC, DURABLE AND WATERPROOF DESIGN: This Keyboard Is Made Of Top-Graded ABS Material, With Matte-Finish Texture, Sturdy And Robust Enough To Protect It From Scratch. And The Stepped Keycaps Themselves Are Concave To Fit The Natural Curvature Of Your Fingertips, Leading To A Much More Comfortable Feel To Each Key-Press.9 LED MODES:  RGB LED Backlight Adjustable With 9 Lighting Models. You Can Also Adjust Their Brightness With FN+“↑”And“↓” Besides, There Is A 7-Color Single Backlit Mode For This Keyboard. HIGH ACCURACY AND GAMING-GRADE .The Blue Switches Deliver A Superior Audio And Tactile Feedback. 50 Million Times Keystroke Test, 60+/-15 Grams’ Key Force And 4.0+/-0.2mm Stroke Travel. An Optimal Choice For Gamer, Programmer, Writer, Typist And Etc.FLEXIBLE REMOVABLE KEYCAPS AND WIDE COMPATIBILITY: With Key Cap Puller. Support Computer System Including Windows10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, Etc.