Purpose: I purchased this item to replace my previous headset that produced very low sound volume.Pro: These headphones produce normal volume with one side on and exceptional with both sides on. There is also a volume adjusting wheel and call end/begin button on the microphone piece. The microphone, short side, and long side are all decent lengths.Con: The wire between the microphone and the plug end is rather short. I have to keep the device in a pocket on my upper body for the headphones to fit comfortably. The wire pulls down on my ears if I try to keep my phone anywhere below my belt, such as in my pants pocket. By no means am I too tall either, standing only 5' 7".Marcus