Got one of these from my work rewards program :)
I'll jump right in, these are big, 1st thing you notice holding these is the headband. It's big, heavy, and has metal adjusters.The rest of the headphone is plastic, feels sturdy but looks too gaudy and flashy. Cups swivel dj style.
Has a mic cable with an oddball 'compatibility switch' for older smartphones that have different mic plug pin assignments. If you read a review that says voices sound weird or underwater, the switch was in wrong spot.
57mm drivers!! As expected these can be bass cannons. sound is a "V" shaped sound curve, emphasis on bass and upper mids/highs. can be driven by a smartphone, sound really tightens up with a little amping. These are better than its little brother, the ham55x by a good measure. Bass does not drown out the highs at all! I really like the sound on these as a fun headphone, again wish the style was less flashy. Too big to wear outside anyway!
More to come after some time with these..