Thank you for viewing. This is the "MOTU 828" audio interface. It has only been used in my home studio and its operation has been confirmed. All inputs/outputs, volume knobs, display, USB connection, etc. work without any problems. I have taken good care of it in a non-smoking, pet-free environment. The exterior has no noticeable scratches or stains and is in beautiful condition. Please understand that there may be minor scratches due to it being a used item. Included accessories: ・Power cable ・USB cable ・Original box ・Instruction manual It will be carefully packed with cushioning material and shipped quickly via Mercari delivery. *Please refrain from price negotiations. *Instant purchase is welcome. Thank you very much.