Easy to put together right out of the box. Affects, mid-range and bass are Looks exactly as pictured but pathetic screws come with it. The heel part is rubber and that is not slippery. It can be worn with tights or maybe even jeans if you are over 5’7”. So comfy and easy to wear with any outfit. Which was one of the reasons for buying them. If the mic could come off DC could make a pretty penny selling these as quality headphones, however the A20s are very good as well so I considered this a wash. I have to scootch my feet allll the way up to fit. replace the old ear seals on my Bose X aviation headset; they work perfectly fine and feel like newthese come with replacements for the foam protector underneath as well, so you can replace both things touching your earsno instructions but a few good videos on youtube that explain how it works for these headsets; was a 5min job after all