This is the "CDJ-210," a professional MP3/CD player from the DJ equipment brand "Gemini." It supports not only CD playback but also MP3 files, making it equipment for本格的な DJ play. Two units are available. Brand/Model Manufacturer: Gemini Model Number: CDJ-210 Type: Professional MP3/CD Player Main Functions/Features CD, CD-R/RW, and MP3 file playback Jog dial equipped (scratch and pitch bend operation possible) Digital display equipped Pitch control function CUE and LOOP functions PITCH and TIME display switching Various effect buttons Crossfader equipped Product Condition: There are scratches and minor imperfections from use, but operation has been confirmed and it can be used without any problems. The jog dial and buttons also respond normally. Included Accessories Main unit Power cable