The dial is a little big for my wrist, but it still looks cool. Per uso esclusivo voce, se ben configurato offre eccellenti prestazioni. The muffler in the way on the passenger side was a PIA with any tools. The noise cancellation is passive, but because of the strong seal in your ears (at least in the right), they block out more than I was expecting. My husband uses his for work as he is a carpenter and works all over. I drilled the holes at 31?, inserted the anchors and brackets and TRIED to hang the bar. GOOD:I love these headphones - theyre not perfect comfort as they are smaller (but much lighter! The clamps seem to be like it will the only weak point. Point: a lot was happening within that first hour. I like to keep my spices near my work area, but it seemed impossible to find organizers for them.