In-ear headphone

FIG. 1 is a first perspective view illustrating a design for an in-ear headphone according to one embodiment;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a second perspective view thereof;

FIG. 9 is a view illustrating an environment of the in-ear headphone of FIGS. 1-8 positioned partially within an ear of a subject;

FIG. 10 is a first perspective view illustrating a design for an in-ear headphone according to another embodiment;

FIG. 11 is a front view thereof;

FIG. 12 is a back view thereof;

FIG. 13 is a side view thereof;

FIG. 14 is another side view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a second perspective view thereof; and,

FIG. 18 is a view illustrating an environment of the in-ear headphone of FIGS. 10-17 positioned partially within an ear of a subject.

The broken lines and the unshaded regions bounded by broken lines of the preceding FIGURES illustrate boundaries for the FIGURES; however, the broken lines and the unshaded regions bounded by broken lines form no part of the claimed design. Non-oblique line shading is meant to show contour and not surface ornamentation.