ROCCAT ARVO Compact Gaming Keyboard, Black Compact design - creates optimum game space Mode switch button- for switching between Num Pad function and Gaming Mode 3 programmable thumbster keys -easy to reach with your thumb 2 additional macro keys - for individual keyboard commands Macro manager - create complex command sequences Anti-ghosting capability - for simultaneous keystrokes Medium height keys - with an optimum keystroke response and perfect pressure point High durability - with robust metal base