SteelSeries Apex Gaming Keyboard (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90-day warranty 5 independent color zones that are each capable of 16.8 million colors Low-Profile Keys - react quickly, move strategically and gain the competitive edge 6 simultaneous key presses of 20 anti ghosting capable gaming keys 22 independent macro keys are each capable of up to 4 layers (via layer select keys), for a total of 88 potential macros