The only time consuming operation was running the electric cords through the base interior and that went smooth. They are my current daily drivers. these shoes do NOT agrivate my feet! However, is the paper cover worth the $16 I saved? The nice folks at Amazon sent it in a large box where it wobbled about willy nilly until it came to me looking like a failed paper airplane. Model: CCA C104. I opened up the StarTech 16 Outlet PDU and continued checking for electrical continuity and narrowed down where there break in continuity was and could tell by the way it was assembled internally that it was almost certainly a basic failure in the way the outlets were getting power. I never took them off. The product comes in a good package which prevents it from being damaged during transit. The clips pushed in all the way and I had to use a screw driver to pry them back out. Theres a microphone in each earphone so you can either use them as single or double earphones.