Not worth it IMHO. You could get an Echo MIA for $250 and it would be a much better soundcard with mature drivers. You WOULD still need a MIDI capable card if you wanted to do that sort of thing.
Welcome to CHEAP, our series about things that are good, but most of all, cheap. CHEAP! If not just straight-up ugly, a lot of Bluetooth speakers are, well, instantly forgettable. But you know one ...