Headphone

FIG. 1 is a bottom plan view of a headphone showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is another perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a top plan view thereof.

The broken lines depict portions of the headphone that form no part of the claimed design.