I have canceled the listing due to a discovered defect and am relisting it as a junk item. The condition of the product is as follows: It has been stored at home, so there are scratches on the surface. This is the main unit only. I played music continuously for about 4-5 hours, and the battery level was between 75% and 100%, so I don't think there is a problem with the battery. It can be used almost normally, but the Hold function occasionally stops working or activates on its own. Therefore, I am listing it as a junk item. Please purchase only if you understand this. Thank you.