High-quality audio interface, USB connection, 2-channel input. [Product Name] PreSonus AudioBox USB Blue Never used since purchase. Thank you for viewing! ■ Product Condition Please check the condition of the product in the photos before purchasing. Please purchase if you understand that this is a used item. If you are concerned about the fine details or are very sensitive, please refrain from purchasing to avoid any problems. ■ About Shipping Please check the profile for packing and shipping methods. ■ Notes ・Please be sure to read the profile. ・We generally do not accept price negotiations. ・Returns, claims, and cancellations are not accepted except for defective products. ・Please note that we cannot reply or give feedback after the transaction is completed. We appreciate your understanding of the above, and we look forward to a smooth transaction!