Well known cable manufacture IXOS have released the XMM238 Cube Travel Speaker. The travel speaker is available in White, Black or Pink with silver metallic top plate and retails for only £12.99.
IXOS XMM238 Cube Travel Speaker In Black
The battery and USB enabled IXOS XMM238 has two side face drive units that works with iPods, any MP3 player, laptops and more, in fact any audio source that can output to a 3.5mm jack.
IXOS XMM238 Cube Travel Speaker In Pink
Now on sale at HMV, Halfords and other major retailers.