A portable apparatus (10) providing both substantially automated performance monitoring and audio entertainment features. In a preferred embodiment, the apparatus (10) broadly comprises a portable housing (12); an attachment mechanism (14); a GPS component (16); a heart rate monitor component (17); an audio component (18); a user interface (20); a processor (26); and a power supply (30). The housing (12) may include a headset (1112a) within which is located the GPS component (16), and a second housing component (1112b) within which is located the processor (30), wherein the GPS component (16) communicates with the processor (26) in a wireless manner. The apparatus (10) is adapted to determine a number of laps or a distance, to provide an elapsed time, and to determine a speed.