Please check the condition of the cassette in the photos. There are stains and scratches. No box or instruction manual. [Initial operation confirmed] on a handheld console. Please note that it may not work depending on the hardware you are using, such as a compatible console. Since it is an old cassette, it may not start up immediately. In that case, please try cleaning the terminals. We cannot guarantee the backup battery. Please purchase only if you understand that this is a used item. To prevent replacement, we do not accept returns or cancellations after shipping. Please purchase only if you understand this. We will pack it to prevent shipping damage, and ship via Yu-Packet Post, anonymous shipping. Thank you for viewing.