FIG. 1 is a left perspective view of an earphone set showing our new design, the cord is drawn broken away for indeterminate length;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof.

FIG. 8 is a left perspective view of a second embodiment of an earphone set showing our new design, the cord is drawn broken away for indeterminate length;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left side view thereof;

FIG. 12 is a right side view thereof;

FIG. 13 is a top view thereof; and

FIG. 14 is a bottom view thereof.

FIG. 15 is a left perspective view of a third embodiment of an earphone set showing our new design, the cord is drawn broken away for indeterminate length;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a left side view thereof;

FIG. 19 is a right side view thereof;

FIG. 20 is a top view thereof; and,

FIG. 21 is a bottom view thereof.

The broken lines are for purposes of illustration only and form no part of the claimed design. The differences in shading shown in FIGS. 8-14 represent a contrast of appearance and do not represent any particular color, texture, or material. FIGS. 15-21 are lined to represent the colors black, red, gray, and silver.