Quite practical and original object, that does not take up too much space, unlike conventional speakers. The USB connection allows for not having son everywhere. The sound is quite powerful, but as there is only pregnant, it gives the impression of being in mono. The biggest problem of the bar is that it does not adapt well to mobile with a rounded hull edge. We must secure for it to hold, especially as it is quite heavy and tends to tilt the screen by its weight. In short, I remain somewhat mixed for the price ...