Qisan Gaming Keyboard Mechanical Wired Keyboard Black Switch Backlight keyboard 82-Keys Extreme Simple Design Black by Mechanical black switches (MX equivalent) deliver fast actuation for gaming,all keys roll-over anti-ghosting. Linear action and easy contorl design,simple layout and suspended button. Backlight has several models can be adjusted.Adjusted Light:FN+F8(Steady mode-Breathing mode-Waterfall mode-Stack mode-Light off mode)Adjusted Keyboard Lighting levels:FN+Up/Down Arrow symbols. Adjusted Keyboard Light breathing rate:FN+Left/Right Arrow symbols Powerful multimedia controls,detachable USB cable.Fantasy LED light effect look like so cool Strong mechanical sense, loud rhythm, clear sound immerses you hit in the game