The Geneva XS portable sound system is a pretty clever little thing, or a clever pretty little thing, depending on whether aesthetics or functionality is higher up your list.
Part of a range (which goes from XS to XL ... geddit?), the XS is the most compact and well-suited for slinging in your suitcase or backpack.
It comes in a hard leather case, which unfolds to reveal the streamlined hi-fi unit. This automatically turns itself off when the case is shut - however, should you run it flat, the built-in rechargeable lithium battery means there's no need to lug spare batteries around the world.
As one of the masses with a certain type of phone, I can vouch for the ease with which you can establish a bluetooth connection to the XS for audio streaming. No need to download any software, just a couple of setting changes and away you go.
It's also pretty nifty as an amp for a laptop, so you can get decent sound while watching Star Wars in your hotel room.