I bought the headphones because my wife and I were travelling from Wash D.C., to San Fran; to Brisbane, Aus; Sydney, Melbourne, Tasmania; Hong Kong and then to the UK. The headpones worked like a treat to San Fran, but on the flight from LAX to Brisbane we found that the headphone jacks used by Qantas were not compatible (they use a double jack). As this was a 14 hour flight, we were rather unhappy.
I would believe that most people purchase these headphones for use in airplanes, and - as such - the packackage should include adaptors for ALL major airlines.
The 'phones' themselves were both good in sound and comfortable to wear. They, however, do not fold up terribly well between flights.
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