The speaker is a good size and a "rich" voluminous sound! The Blutooth reach is enormous (even through walls) and the battery lasts about 6-7 hours at a bit more than low volume!
Is the music bassy it overrides fairly quickly at a high volume. Partying does not work but the neighbors may annoy you anyway!
With my iPhone he has turned in Internet Radio via TuneIn after 20 minutes, with music by playlist ner not! With android no problems!
It should be noted that when connected via 3.5 jack cable you can adjust the volume on the playback device only and not on the Muse!
All in all a great device with properly draft and good treble / mid to bombs price (80EUR) compared to others!