Hearing aid

Description

1. Hearing aid

1.2 : Front

1.3 : Back

1.4 : Top

1.5 : Bottom

1.6 : Right

1.7 : Left

1.1 is a top, front and right side perspective view thereof; 1.2 is a front elevation view thereof; 1.3 is a rear elevation view thereof; 1.4 is a top plan view thereof; 1.5 is a bottom plan view thereof; 1.6 is a right side elevation view thereof; 1.7 is a left side elevation view thereof; The broken lines in the reproductions illustrate portions of the hearing aid that form no part of the claimed design.

Claims

The ornamental design for a hearing aid, as shown and described.