FIG. 1 is a front perspective view of a first embodiment of the ear bud adapter.

FIG. 2 is a rear perspective view of the first embodiment of the ear bud adapter.

FIG. 3 is a front view of the first embodiment of the ear bud adapter.

FIG. 4 is a rear view of the first embodiment of the ear bud adapter.

FIG. 5 is a first side view of the first embodiment of the ear bud adapter.

FIG. 6 is a second side view of the first embodiment of the ear bud adapter illustrating the side opposite that illustrated in FIG. 5.

FIG. 7 is a top view of the first embodiment of the ear bud adapter.

FIG. 8 is a bottom view of the first embodiment of the ear bud adapter.

FIG. 9 is a front perspective view of a second embodiment of the ear bud adapter.

FIG. 10 is a rear perspective view of the second embodiment of the ear bud adapter.

FIG. 11 is a front view of the second embodiment of the ear bud adapter.

FIG. 12 is a rear view of the second embodiment of the ear bud adapter.

FIG. 13 is a first side view of the second embodiment of the ear bud adapter.

FIG. 14 is a second side view of the second embodiment of the ear bud adapter illustrating the side opposite that illustrated in FIG. 13.

FIG. 15 is a top view of the second embodiment of the ear bud adapter; and,

FIG. 16 is a bottom view of the second embodiment of the ear bud adapter.

The broken lines form no part of the claimed design.