Fast delivery reasonable price. The audio is crystal with good noise cancellation. The story follows Shane, a former child star turned comedy actor who cannot seem to get any sleep. Diamonds falling off the second pair. 1) Easy To Install. The shaft / foot opening circumference is 13" -- which might be fine if you have very large calves. Went to change the cord and when pulling the left side connection out of the headphone the part that should have remained in the headset pulled out and the wires broke. They are comfortable very comfortable. With NC on I am very happy. This design is very clever.