This is the ZOOM AMS-22 USB audio interface. Operation has been confirmed. Microphone input, line input, and headphone output all work without issue. Despite its compact size, it's equipped with: - 48V phantom power - DIRECT MONITOR - LOOPBACK function Making it easy to use for DTM (Desktop Music Production) as well as streaming. The main unit has no major scratches and is in good overall condition. [Included Items] - Original box - Instruction manual - USB cable Everything shown in the photos is included. This is a used item, so please purchase only if you understand the condition. Returns are not accepted to prevent product substitution. - Model: AMS-22 - Number of Inputs: 2 - Number of Outputs: 3 - Features: USB audio interface - Applications: Music, Streaming - Connection Type: Line input, Mic/Guitar input