These are just a pair of head-
phones. They stay there and occasionally are used, but not so often now that we have ear buds. What difference could it make if we use headphones or ear buds. If you are walking down the street and you here someone's music playing from their I pod or whatever source they are using and everyone else did that while walking to work it would be very loud. Now you can use anyone you want ( headphones or ear buds ), but really it's a matter of style and who you are and what you want. Ear buds are used more than headphones so why even sell and make so many models? If play an instrument like the drums and you live in an apartment that you should probably move or get an electric drum ( I don't think many people would move ). Electric instruments have a small outlet so you can plug in your headphones and practice ( not your ear buds ).
-m
