Thank you for viewing this product m(_ _)m This is a Panasonic mini component system. The model number and details are listed as SA-PM250. The product condition is "no noticeable scratches or stains." It is in working condition. I mainly used it for things other than USB. The purchase date and usage period are unknown. I have taken many photos, so please refer to them carefully and make your purchase with understanding and acceptance m(_ _)m By purchasing, I will assume that you have agreed to the above-mentioned items. If you have any questions, please be sure to confirm and understand before making a purchase. Regarding items with "untested" or "junk" descriptions, the condition is unknown, so please use them as a basis for repair or restoration. (I have listed junk items in the past, and received negative feedback) Everything in the photos and mentioned in the title is included. Please be sure to ask any questions about accessories or concerns before purchasing, and make the transaction with understanding and acceptance. There is a trend of people purchasing without carefully reading the product description and then claiming that something is missing and demanding a price reduction, putting the blame on the seller. Please be aware of this. Returns and exchanges are not accepted to prevent switching and trouble. Thank you for your understanding. (Malicious cases will be reported to the relevant departments) I am not a professional in terms of packaging. I will pack with care, but I do not guarantee against damage or other problems during transportation. Thank you very much m(_ _)m