from the site:
The PS USBpass Adapter
COMPONENTS:
1 x Adapter to outfit the PS USBpass.
*** These will also 1 day fit the Prodigy V2!
WARRANTY: 3 Months on Hard Parts
There's about half a dozen
threads where this is answered by Casey - this is an error on the web site.
There are (or will be) 4 adapters:
1) Aluminum adapter that fits old Prodigy
2) Old, discount priced, aluminum adapter that fits pass
through and Protege
3) New stainless Steel adapter that fits passthrough and Protege
4) Stainless Steel adapter that will fit new Prodigy V2 and will
not fit old Prodigy, passthrough or Protege - not yet for sale and details not yet released