Just dont exceed the weight limit, these are not all steel construction. As with all ?some assembly required? projects, you will be happier using your own hex and socket wrench if you have them but the one included gets the job done too. The headphones are now working normally. This pair seems less supportive as if someone decided to change the fabrication tolerances. Three stars because it didnt come with the extension cable. Overall sound quality is definitely distinguishable from an average headsets, Ive had a 160 pound headset before and the clarity, precision and quality on Mobius bests what I had in every way. I wasnt sure that I want to switch from Nikon, but I like the concept of using same lenses for a6000 series and A7 series :-) Open back headphones are also supposed to be better for games where you want to hear things like footsteps, sound imaging and soundstage. The packaging, presentation and the product. The steel case is very nicely produced, with no machining marks or unfinished looking bits.