Has pros: good headphones. hold comfortably. the sound is satisfactory for both music and conversation (the interlocutors do not complain, external noise seems to be successfully suppressed). bought the same model again after losing my first copy With its cons. a good case, but slippery - eventually fell out of the pocket imperceptibly. I had to buy a silicone case for the second copy when I lost the first copy, I did not understand how the SmartThings Find function works . (I will not give details). in theory, she could work smarter