The highlight: an external power supply and a cable for the power supply are unnecessary - the power comes via USB. You an integrated idea.
The boxes are designed for mobile use. They are small and pleasantly light. Ideal therefore, taken on trips to be.
An important question is of course: what is the sound?
The sound like. Of course he does not have the depth and the fine distinctions of high-end speakers. By design, also of course the bass remain somewhat on the track. But overall a good, transparent sound, which can not be mistaken.
Not for the hi-fi freak, but a good solution for travel or presentations, require tone.