"The MP2300 is based on a completely different idea than its MP2200 sibling:
it runs off of Iomega's new ultra thin Clik! disks. Iomega's Clik! disks are
designed just for this type of task - storage of portable media in a
compact, reusable medium that is MUCH less expensive than solid state media
(ie CompactFlash and SmartMedia, amongst others). Each of the Clik! disks
store around 40MB of files, and the MP2300 comes with 2 disks for a total of
80MB of storage."
FULL STORY @ NEOSEEKER (http://www.neoseeker.com/Articles/Hardware/Reviews/mp2300/)