Sorry to disgree with the other reviewers, but I found the performance of these headphones well below par. I bought them for my wife before we flew to Germany, and I have tried them out on a number of flights since. I have found myself switching the noise cancelling on and off a number of times to check if it is actually doing anything.I also found that wearing the headphones for any longer than 1 hour makes my ears hurt because of the pressure on them.In comparison, I also have the a set of Targus headphones, and these are brilliant. When I switch on the noise cancelling, I have to turn the audio on the in-flight entertainment down to it's lowest level, otherwise it is too loud now that all the background sound is removed.Regards,Brett