A multi-function headset is disclosed. The multi-function headset includes an ear shell attached to one end of a holding means the ear shell comprising a speaker unit through which audio stimulus is provided to a user, a microphone attached on a first end of a boom assembly and engaging an engagement switch on a second end of said boom assembly with the ear shell, the engagement switch position selecting an application of the head set. In another aspect of the invention, the ear shell further comprises a first switch engaging the boom assembly when the boom assembly is in a retracted position. In another embodiment of the invention, a headset including an ear shell attached to one end of a holding means is disclosed. The ear shell comprising a speaker unit through which audio stimulus is provided to a user, and means for adjusting a volume through the speaker unit wherein the means is selected from the group consisting of: pressure determining sensors and switches.