Play and mix your Traktor Pro 2/Kontrol S4 digital music tracks on your Mac faster and easier! This ultra-thin form-fitting keyboard cover includes an extensive array of color-coded shortcuts - for left and right decks - right on the keys! So you spend more time DJaying and less time learning and memorizing program shortcut keys! Traktor Pro 2/Kontrol S4 keyboard covers are compatible with Traktor Pro 2 and earlier.