The good thing I see about it is the simple configuration - just the unit & the headset - no charging cables, no cradle necessary. Charge it onto your USB and your are done. That's the way you load music also, via USB. It serves as a USB flash drive too, and that was my justification getting it, instead of a separate flash drive.
Downside - on the 512 unit, it loaded only 70 songs! I like jazz so they are pretty long, average 9mb per song. When you load other types, maybe you can reach the max 120 songs. But then everytime you plug it into iTunes, you get a new selection of songs, so it works fine for my needs.