inputs.text: sound quality vocals excellent ehemphasis good quality bluetooth voice transmission - sound quality vocals excellent ehemphasis good quality bluetooth voice transmission results exquisitely bringing quality vocal side mp3 recordings especially recordings accompaniment somewhat overdone complaints no volume control not allow compensation lack volume books tape even though mp3 player turned far go compensate road noise shortness power audio cords seriously limits placehement mp3 player speaker price would highly recommend even many higher priced speakers