I have the wired version of these, the design is basically the same.
The sound is good, if a little bass heavy.
However, they are extremely uncomfortable to wear after an hour or so, the tension bar in the headstrap is just too springy and press the cups into your head. I tried leaving them on a basketball for a week but it didn't help.
If I could get an equivalent to my Sennheiser's I would be happy, I can wear those for hours on end with no comfort issues.