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

The Nintendo DSi is the third iteration in the Nintendo DS line, and made its debut in Japan in late 2008 slot, and I don't know how to clean

The original model of the Nintendo DS and the DS Lite included a GBA slot so the system can play GBA games, Nintendo allowed DS game developers to use the

ds slot They removed the GBA slot because they don't care about my happiness Pretty much sums it up

ds99 slot Yes, you will be able to play most Nintendo DS games on your Nintendo 3DS Exceptions are games that use the GBA Slot