Second pic should give you an idea. the longest chain, on the bottom is roughly 4-5 inches, i think. the whole thing should go down to close to the bottom of your neck.
this was one of a set and came with one of the same style, just with a different charm thing. it fits around my ear and stays even when I went to a rave. jumping around and dancing, even all sweaty. I love the product. just not this one. :) its not my style