Rainbow Keyboard: 24 light modes with 5 levels of brightness and flowing speed adjustable for any cases. 12 Multimedia Shortcuts let you do more with less. Win lock function frees your worry about mistyping when gaming. Friendly Brown Switch: Compromises both tactile and low noise two supreme merits and offers you the most friendly and satisfying experience. DIY LED Mechanical Keyboard - Lets say you want to turn on the function keys and arrow keys on, it's a piece of cake. Take a few steps and turn on /off every single lights you want.