This is a PC Engine controller. It was working without problems, but since the operation has not been confirmed, it is being sold as junk. ※Regarding junk items Please do not purchase junk items if you intend to make a claim. Junk items mean junk and refer to defective items or items that are not guaranteed to work properly. The condition at the time of inspection is described, but this does not guarantee operation. Please purchase for parts or repair purposes. #KEENMARKET You can see all the items listed by #KEENMARKET by tapping or clicking the blue text♪ ■Thank you for viewing the items listed by KEENMARKET! ■Please be sure to read the self-introduction section before purchasing. ■The items for sale are only those in the photos and description, so if you have any questions about accessories or the condition of the product, please be sure to ask and make a purchase after you are satisfied. ■No confirmation is required for purchase. ■If there is a discrepancy between the description and the photos, the photos take precedence. The item you will receive is the item in the image.