Set of Headphones

FIG. 1 is a perspective view of a set of headphones as seen from the front, top, and left side;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dotted line portions of the drawing represent portions of the set of headphones that form no part of the claimed design.