☆Today's Sale, 11/17 (Monday) Only☆ Despite its compact size, it produces very good sound. Used in a non-smoking room, no pets. Operation has been confirmed. The firmware is up to date. This listing includes the main unit and a USB cable. The instruction manual can be downloaded from Roland's website. It is powered via USB. It is a beautiful item, but it is still a used item, so please purchase only if you understand that it is a used item. Thank you.