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:  Rainbow 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 RESPONSIVENESS: 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. Durable: Keys can bear 50 million times keystrokes. Made of metal material, with matte-finish texture, it is sturdy and robust enough to protect it from scratch, bump and corrosion. Complimentary key cap puller tool: We offer you a key cap puller. With this gadget, you can pull your key caps easily when you want to clean your keyboard or frequently change your key caps. Built like a tank. Over-engineered metal and ABS casing Supports Windows10,Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, etc.