Earphone

1. An earphone comprising:

an elastic housing;

a speaker contained within the housing; and

a nozzle fixed on the housing, having a sound guiding part through which sounds from the speaker pass,

wherein the nozzle is configured such that the orientation of the sound guiding part relative to the housing and an angle of the speaker can be adjusted by elastic deformation of the housing,

and wherein the speaker is contained within an end of a nozzle side of the housing, and wherein at least one part of the nozzle side is positioned on a wearer's ear canal when the wearer wears the earphone.

2. The earphone according to claim 1 , wherein the nozzle includes a first part which is positioned on the wearer's ear canal and a second part which is fixed on the housing,

and wherein the housing includes a nozzle fixing part with the second portion of the nozzle fixed and an extended part that extends to the opposite side of the nozzle from the nozzle fixing part and is extended more than the nozzle fixing part.

3. The earphone according to claim 1 , wherein a central axis of the speaker is approximately the same as a central axis of the sound guiding part when the wearer wears the earphone.

4. The earphone according to claim 2 , wherein a battery is also contained within the extended part.

5. The earphone according to claim 2 , wherein:

the nozzle is a rigid body; and

the first portion of the nozzle is configured such that an eartip is attachable thereto.

6. The earphone according to claim 2 , wherein:

the housing comes in contact with an outer ear of the wearer with the housing placed on a wearer's ear concha when the wearer wears the earphone;

and

the sound guiding part connects the inside of the first portion and the inside of the second portion.