iPhone (original or 3G), iPod Classic and iPod Touch. Once attached, it can provide audio horizontally or vertically, depending on how you'd like to spin it. During testing, critics found the audio quality to be surprisingly nice, with them even being "astonished that such a big sound was produced by such a small speaker system." As expected, bass notes were a bit hush-hush, but reviewers did appreciate the RF shielding that enabled iPhones to remain on while not introducing buzz. All in all, they felt it was a bargain at $129.99 (and even more so at the sale price of $99.99), but we'd suggest reading the full spill before handing over your hard-earned dollars.