Earphone

FIG. 1 is a front, top, left side perspective view of an earphone showing the new design; FIG. 2 is a rear, bottom, right side perspective view of the earphone; FIG. 3 is a front elevational view of the earphone; FIG. 4 is a rear elevational view of the earphone; FIG. 5 is a top plan view of the earphone; FIG. 6 is a bottom plan view of the earphone; FIG. 7 is a right side elevational view of the earphone; FIG. 8 is a left side elevational view of the earphone; and, FIG. 9 is an enlarged partial cross-sectional view of the earphone taken in the direction of line 9 - 9 of FIG. 3 with the internal system omitted. Portions of the drawings shown in broken lines form no part of the claimed design. The dot-dash lines define a boundary of the claimed design and form no part of the claimed design.