This made for embarrassing and frustrating situations where I had to dial back into important conference calls. In addition, sometimes the audio would get fuzzy. Says they are really comfortable and easy on his sore knees. I am a sales person who walks into mechanic shops daily. They fit like a skate board attached to my foot. Theyre either thicker, include fans, or have opted to go for cheaper fanless chipsets like Atom processors, which are terrible compared to this M5. :), If Id expected to have to go to the store for a bunch of extra screws and washers before assembly, I might have picked up a couple dozen lockwashers, too. The headphones themselves last about a day without sticking them back into the case. Others spice racks were either too tall, or just not workable for what I wanted. These are a replacement for my first, well worn, pair.