At the very beginning of use, it made a low buzzing noise, but it went away after about a week - not sure what the issue was. Personally, it's a little too tight on my ears and head, thus it starts to hurt after prolonged use. Compared to the other headphones I've used, these provide much more detail, including panning of the instruments! I thought I was very familiar with a song, but after listening to it again with theses headphones, I was surprised to find out there was panning involved! It provides very good quality sound. Getting the charging wire out from my pc port was a violent ordeal, I was afraid it would get stuck..