This is a [New, Unopened] "Ten no Koe Bank" peripheral for the PC Engine. It's a valuable, unopened item that is rarely seen on the market nowadays. Recommended for collectors and display purposes. * Due to the age of the product, the internal battery may be dead. * Whether it can actually be used for saving is unconfirmed. * Please understand that this is a product intended for collectors. * The packaging appears to be in overall clean condition without any film tears. As shown in the photos, there are no film tears, and it is in a generally beautiful state. Please consider with confidence. Thank you very much! [Bonus] * How to access the hidden save files: When Bank 4 is unused, press "RUN + SELECT + I + II + Up-Left" while turning on the power. While the title screen is displayed, input the following: "Left + I x 4, Down + I x 6, Right + I x 2, Up + I x 2, SELECT + Left x 4, SELECT + Down x 6, SELECT + Right x 2, SELECT + Up x 2, RUN" Then, you'll see a list of the strongest and most convenient data files for 14 games released by Hudson up to that time. Thank you for reading to the end. #KaltNeon