The sound from these headphones is very good, even better when using wired. They are comfortable to wear and lightweight . But, if you intend to use them with an IPad to watch videos or to use music notation software be prepared for audio lag, sometimes so bad that it makes the video unwatchable. There is no problem just listening to music.

Great sound features, but noise cancelling not filtered all the noises and not so comfortable to use it for a long period.

I am relatively pleased with these new Sony headphones