- sound, isolation, appearance, pairing
- somewhat heavy (miracles do not happen), so the constant feeling that they fall out, however, does not affect the sound, it really seems, it’s only difficult to get rid of it, as an option, place it vertically with emphasis on the upper crease of the ear, they sit like a glove and besides The original ear pads didn't fit. rare glitches with loss of sound were noticed, but after restarting everything works fine, I hope this is an accident, and not a trend