Patent ID: 8254621

Claim:
An earpiece comprising: an electronics module including communication electronics coupled to an acoustic driver module housing an acoustic driver; and an ear interface structure coupled to the acoustic driver module, comprising: a body shaped to fit in at least a part of the concha of a user's ear, the body having an outlet section shaped to fit at least partly into the ear canal of the user's ear, and a passageway shaped to conduct sound waves from the acoustic driver at least the outlet section to the ear canal of the user; and a positioning and retaining structure extending from the body and ending in an extremity, the positioning and retaining structure being curved to generally follow the curve of the anti-helix of the user's ear at the rear of the concha; wherein, when the ear interface structure is seated in a user's ear, the electronics module is held outward from the user's head by the acoustic driver module, and the positioning and retaining structure is seated beneath the antihelix of the user's ear.