What does this info mean? Sorry I sound like an idiot
Play CDR copies of both PlayStation and PlayStation2 games on your PlayStation2
Compatible with every CDROM based PS2 game to date.
Fully compatible with every US, UK and AU PS2
Simple, single wire installation
Each NeoKey comes with a USB NeoKey cartridge, wire, and solder.
The NeoKey is the first external USB ModChip for US, UK and AU PlayStation2's. All of the same great features of the internal NEO2 ModChip, but the ease of single wire installation and USB Plug-N-Play technology.
Once installed in your PS2, the NeoKey external USB ModChip will allow you to play all of your regular PlayStation CDR copies without the need for a swap trick. Combine an Interact GameShark2 with your NeoKey and you will be able to play CDR copies of your favorite CDROM based PlayStation2 games.
The NeoKey external USB ModChip employs an intelligent SCE signal which automatically detects the type of media in the PS2 drive e.g. PS-CDR, PS2-CDR, PS-Original, PS2-Original. You can also forget about having to manually adjust your PS2's laser assembly as auto-filter and calibration features are built into every NeoKey external USB ModChip supplied by ConsoleSource.com. The NeoKey will in no way affect DVD movie playback or original title gameplay.
The NeoKey external USB ModChip alone will only allow you to play CDR copies of PlayStation games on your PlayStation2. To play CDR copies of PlayStation2 games you will require a GameShark2 v1.3 or higher.