There's no such thing, the Shuffle and Mini were separate models.
The Shuffle was the size of a USB drive, used solid state storage, and had no screen, the Mini was the one with the first touch Click Wheel and metallic colour choices, and used a 4GB spinning hard drive.
The Shuffle was the size of a USB drive, used solid state storage, and had no screen, the Mini was the one with the first touch Click Wheel and metallic colour choices, and used a 4GB spinning hard drive.