Pioneer Digital DJ Turntable, Black, 10.50X19.9X15.90 (CDJ-2000-NXS) Industry's first DJ player with Wi-Fi source connectivity Free rekordbox music management software included Redesigned 6.1-Inch full color LCD display with new graphic user interface Pro DJ Link: Sync up to 4 CDJ-2000nexus to share one audio source, Beat Sync, and identify music key via Traffic Light Performance functions including Slip Mode and Quantize