The headphones themselves are just a waste, the head does not get tired in them, that is, if before that they worked out, thought and got tired in 3 hours, then you won’t get tired in these headphones at all! Got pros: a convenient application with the ability to adapt the headphones completely for yourself. great sound and noise canceling, comfortable fit. Different cons: a specific microphone, sometimes when answering calls you have to speak deliberately louder, because the interlocutor hears what you are saying into the pipe.