Multimedia Knob: You can adjust the volume or set it mute, switch the 22 kinds of lighting effects and adjust the brightness through the multimedia knob on the top right of the keyboard. You can also customize 3 kinds of lighting effects through button M1 M2 M3. Aluminum Metal Panel: The panel adopts nano-anode anti-static technology, which is good for daily use and durable. The surface has a smooth and comfortable touch that further enhances the feeling of the keyboard. Professional Black Switches: The AULA mechanical switches has been tested by professional players to meet different kinds of needs.The trigger are optimized for faster command execution and superior durability (50 million times ultra-long lifetime ). Wide Compatibility: Plug & play, no drivers or software are required. Support computer system including Windows 10, Windows 8, Windows 7, Mac OS X, Windows XP, Windows VISTA, MAC etc. Ergonomic Design:Fully Anti-ghosting gaming