A gaming headset adapted for precise delivery of chemical substances capable of olfactory stimulation, such as odorants, fragrances, pheromones, etc. The headset includes at least one earpiece containing a speaker, a feature for securing the earpiece to the person's head while positioning the speaker over one of the person's ears when the headset is worn, an armature disposed relative to the earpiece so as to extend toward the person's mouth, a microphone located on the armature so as to be located in front of the person's mouth, and a feature supported by and extending along the armature for delivering at least one chemical substance to the person's nostril's when the headset is worn.