Hearing Aid

FIG. 1 is a perspective view of a hearing aid;

FIG. 2 is another perspective view of the hearing aid;

FIG. 3 is a back view of the hearing aid;

FIG. 4 is a front view of the hearing aid;

FIG. 5 is a left view of the hearing aid;

FIG. 6 is a top view of the hearing aid;

FIG. 7 is a bottom view of the hearing aid; and,

FIG. 8 is a right view of the hearing aid.

The portions of the hearing aid shown in broken lines form no part of the claimed design.