The iScratch 201 supports the most popular media:

The iScratch 201 supports the most popular media: CDs & USB storage devices. You can play audio CDs, Wave files, MP3 files, & even you can connect the iScratch 201 to a computer & use it as a USB MIDI controller

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 & 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 , ± 6, 12, 25 and 100% pitch control on CD's and MP3's ± 100% Key Lock with key control on CD's and MP3's , Seamless LOOP with Reloop, 48 seconds of Anti-Shock™ buffer memory, Relay function, Next Track Function, HD Sharing, Recall Cue, Databox software included, Track Scan