Earphone

FIG. 1 is a front perspective view of an earphone incorporating aspects of the claimed design. FIG. 2 is a rear perspective view thereof; FIG. 3 is a front elevational view thereof; FIG. 4 is a rear elevational view thereof; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a right side elevational view thereof; and, FIG. 8 is a left side elevational view thereof. The broken lines shown in the views illustrate portions of the earphone and form no part of claimed design. The lines consisting of long lines and dots indicate border lines between the claimed portion and the disclaimed portion and form no part of the claimed design.