FIG. 1 is a front perspective view showing our new design, the cord of which is drawn broken-away to illustrate indeterminate length;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of a second embodiment of an earphone showing our new design, the cord of which is drawn broken-away to show indeterminate length;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a right side view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design.