FIG. 1 is a side perspective view of an earbud case attachable to smartphone showing my new design;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a rear perspective view thereof;
FIG. 4 is a top perspective view thereof;
FIG. 5 is a top perspective view thereof from a different perspective;
FIG. 6 is a left side view thereof;
FIG. 7 is a top end view thereof;
FIG. 8 is a right side view thereof;
FIG. 9 is a bottom end view thereof;
FIG. 10 is a front view thereof;
FIG. 11 is a rear view thereof; and,
FIG. 12 is a view in perspective showing its relationship to an attached smartphone.
The broken lines in the drawings depict environment and form no part of the claimed design.