? 12 multimedia key and Compatibility ?Convenient 12 shortcuts let you do more with less efforts during gaming. Compatible with windows 10, 8, 7, XP and above. (Some multimedia and shortcuts wouldn’t work in MAC system.). ? Sturdy Aluminum Top Case ?High quality matte black aluminum topcase and well construction braid USB cable design offer long durability. It will be one of your best PC accessories at your desk. ? Personalization for Gaming & N-key rollover ?Professional software offers easy customization for keys and lighting effects. Allow all keys programmable for gamers. Besides full 104-key anti-ghosting won’t miss any key press while gaming. ? Bright Rainbow LED RGB Backlit ? Support customizable color and effects with 16.8 million RGB per key. This light up keyboard offers up to19 backlit effects and multiple light modes for keyboard edge. You could easily adjust light speed, brightness and direction according to your need. ? Ultra-Fast and optical switch ?Optical switch offers faster response than traditional mechanical switch, and it provides a "clicky" and tactile feedback ( equivalent to the Cherry MX Blue switch ). It registers accurate key press at speed of light. Let you get fast response and precise tactile feedback in fast-paced game and during typing. Also optical switch withstands 80 million key strokes, longer lasting.