Denon DJ SC2900 Digital Controller and Media Player 7-"Touch Sensitive 'Eclipse' Platter with LED Cue and Position Marker Player Link function shares USB drives across multiple SC3900s (up to four) Compatible with Serato Scratch Live interface (in Hybrid Mode) and optimized for Traktor and Virtual DJ users Includes Denon DJ "Engine" Database PC/Mac Application (for USB Devices) MAC,Windows XP/Vista/Win7,8 Compatible