DJTECH ISCRATCH201 DJ Mixer CD, USB, Wave, MP3 Compatible,MIDI over USB for controlling computer DJ software, Hybrid mode for Time Code Control 6 DSP BPM synced effects with direct access including reverse,FX: Scratch, Filter, Echo, Skid, Flanger and Reverse, Autoloop with 8 length selection with 4 x direct access to Autoloop (Freezer) Rewind to CUE effect, Direct access of X &amp; Y Parameter in REAL TIME, Giant Sensitive Jog Wheel for Scratch, Search and Pitch 4 Sampler bank and 4 HOT CUE,SSM mode: Sampler Scratch Mode ,&plusmn;6, 12, 25 and 100% pitch control on CD's and MP3's &plusmn;100% Key Lock with key control on CD's and MP3's ,Seamless LOOP with Reloop,48 seconds of Anti-Shock&trade; buffer memory, Relay function, Next Track Function,HD Sharing, Recall Cue, Databox software included, Track Scan