insideGadgets
¥7,400
GBxCart RW 1.4 Pro Reader, Writer & Flasher for Gameboy, Color, Advance Cart - USB C game cartridge backup adapter GB GBA GBC | InsideGadgets
¥6,400
Transmitter cartridge for Gameboy wireless game controller (GBA Type) compatible Game Boy Advance & Advance SP | insideGadgets
¥4,600
USB receiver for Gameboy wireless game controller (Type-A) compatible with PC (Windows/Linux) & Raspberry Pi | insideGadgets
¥5,700
Transmitter cartridge for Gameboy wireless game controller (GB Type) compatible with all Game Boy models | insideGadgets