I made this at someone's request, but the order was canceled, so if anyone wants it, here you go. The power supply board has gone up in price a bit, so I've increased the price accordingly. This is a self-made USB power supply unit for the WonderSwan Color and Crystal, with a 3D-printed cover roughly attached with a glue gun. I tried to print it as cleanly as possible, but it's a layered print, so it has a slightly jagged feel, but that's about it. Power is supplied via a USB-C connector, and any standard 5V output will work (USB-PD is not supported). Nothing other than the power supply unit and the board cover is included. The board cover is made of PLA resin and is sensitive to high temperatures. Do not leave it in a place that exceeds 50 degrees Celsius, as it may deform. Other colors will depend on whether I can get the filament cheaply, so if you have a request, please comment and I'll check if I can do it.