Patent ID: 8213668
Filing Date: 2012-07-03
Classification: H04R

Abstract:
1. An in-ear earphone comprising: a shell comprising a base and a cover connected to the base, the cover having a substantially half spherical inner surface, a first engaging portion being formed in the shell; and a sound output device comprising a sound tunnel, a second engaging portion and a speaker, the sound tunnel comprising an opening end at one end and a containing portion at another end, the containing portion being received in the shell, the opening end being exposed to an outside of the shell, the speaker being accommodated in the containing portion and disposed coaxially with the sound tunnel, the second engaging portion being received in the shell and covering the containing portion of the sound tunnel, the speaker being disposed between the sound tunnel and the second engaging portion, the containing portion having a curved outer surface, the curved outer surface of the containing portion being movably engaged with the half spherical inner surface of the cover and the second engaging portion being movably engaged with the first engaging portion such that an angle between the shell and the sound output device is adjustable by the curved outer surface of the containing portion moving relative to the half spherical inner surface of the cover and the second engaging portion moving relative to the first engaging portion, whereby the sound tunnel is suitably plugged into individual user's ear canals.