With music, it's often what you don't hear that tells you whether it's any good. The absence of good orchestration or arrangements, or the lack of tonal quality in a voice, means the band/artist probably should have spent more time in the studio (or possibly in rehab).
Comes in black, green or blue; Battery lasts 12 hours; Charges your phone; More affordable than similar-size Bluetooth speakers; Small, easy to carry
Sound quality can't match that of the competition