Headphone

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

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a top view thereof.

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