I'm purchasing a pair of bone conduction water proof headphones for underwater (swimming, and maybe later for scuba diving, because it'd be cool to listen to music during decompression stops). Those headphones have a few GB of storage on them, and bluetooth doesn't work under water (well, not more than a couple inches, anyway).  It'd be cool to be able to use my Pandora account to export songs to such a device for offline listening, instead of having to download music through other means. (And if I switch to other means, why have the Pandora account?) ... View more