The ornamental design for an earphone, as shown and described.
The present application is also related to U.S. Design patent application Ser. No. 29/739,895 and U.S. Design patent application Ser. No. 29/739,897, both of which are concurrently filed herewith, and the disclosures all of which are incorporated herein by reference.
FIG. 1 is a front perspective view of an earphone according to our new design;
FIG. 2 is a rear elevation view of FIG. 1;
FIG. 3 is a front elevation view of FIG. 1;
FIG. 4 is a left side elevation view of FIG. 1;
FIG. 5 is a right side elevation view of FIG. 1;
FIG. 6 is a top plan view of FIG. 2; and,
FIG. 7 is a bottom plan view of FIG. 2.
The broken lines of even length shown in the drawings illustrate portions of the earphone that form no part of the claimed design. The broken lines of uneven length represent boundary lines that form no part of the claimed design.