Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great sound, uncomfortable to wear, terrible reception outside.

I found these headphones very uncomfortable, and the large piece in the back very irritating when moving my head, though they sounded great. The total dealbreaker for me was that they would barely work outside, and I had to literally hold my Tmobile G1 up to the reception bar in the back to get them to work. YMMV depending on head size I guess, but they didn't work for me and I an average size head. I ended up going with the motorokr S305, and am very pleased.