What is this thing sitting in slot 2 of my new DS lite?

What is this thing sitting in slot 2 of my new DS lite? ds lite gba slot The DS Lite has a GBA cart slot which can be used to dump GBA games and saves from ds lite gba slot Does anyone know why there are two different GBA slots on the Lites? Is one inherently better than the other? Are they region-specific? Device

ds lite gba slot Hard wiring a SNES controller to DS Lite via GBA Slot

ds lite gameboy slot The name dongle method is an unofficial name that comes from the fact that this method uses the Game Boy Advance game as a dongle for the Nintendo DS game  The Game Boy Advance slot on the DS Lite has a protective, removable slot cover to protect the port when not in use And most likely to make gaming a bit more