The ornamental design for an earphone, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
1. Earphone
1.1 : Front
1.2 : Back
1.3 : Left
1.4 : Right
1.5 : Top
1.6 : Bottom
1.7 : Variation state view
1.8 : Use state reference view
The title of this design product is earphone; the product incorporating the design is mainly used for wearing inside ears to transmit an audio; the drawing designated to best show the essential features of the design is fig. 1.7; the reference view 1.8 does not form a part of the design. The black background show in the figure reproduction is for the purpose of illustrating unclaimed environmental structure and forms no part of the claimed design.