Roland MC-300 Micro Composer, with MIDI functionality, capable of track recording. - Brand: Roland - Model: MC-300 - Type: Micro Composer - Display: LCD Display - Input/Output Terminals: MIDI In/Out, Audio Output - Power: AC Adapter - Functions: Track recording, playback, MIDI control As shown in the photos, the item for sale is the main unit only. I was using it until recently, but I sold the disk and manual when I got rid of the 500. Recommended for those who love this product. Thank you for looking.