I purchased primarily to telephone in a noisy environment and this side is effective. Simple to drive, comfortable to wear his ear insulate well. The dishes cords are semmêlent and it is handy. However, those who want to use it to listen to music, go your musical rendering chemin.Le is very average. it is sorely lacking acute! In addition, there are some pretty nasty cuts microphones during music playback (in phone mode I have not identified).
