FIG. 1 is a front and right side perspective view of a first embodiment of an earbud showing our new design;
FIG. 2 is a rear and left side perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a detailed view of the area identified in FIG. 8; and
FIG. 10 is a front and right side perspective view of a second embodiment of an earbud showing our new design;
FIG. 11 is a rear and left side perspective view thereof;
FIG. 12 is a front elevation view thereof;
FIG. 13 is a rear elevation view thereof;
FIG. 14 is a left side elevation view thereof;
FIG. 15 is a right side elevation view thereof;
FIG. 16 is a top plan view thereof;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is a detailed view of the area identified in FIG. 17;
FIG. 19 is a front and right side perspective view of a third embodiment of two earbuds, which can be a set, showing our new design;
FIG. 20 is a rear and left side perspective view thereof;
FIG. 21 is a front elevation view thereof;
FIG. 22 is a rear elevation view thereof;
FIG. 23 is a left side elevation view thereof;
FIG. 24 is a right side elevation view thereof;
FIG. 25 is a top plan view thereof;
FIG. 26 is a bottom plan view thereof;
FIG. 27 is a detailed view of the areas identified in FIG. 26;
FIG. 28 is a front and right side perspective view of a fourth embodiment of an earbud showing our new design;
FIG. 29 is a rear and left side perspective view thereof;
FIG. 30 is a front elevation view thereof;
FIG. 31 is a rear elevation view thereof;
FIG. 32 is a left side elevation view thereof;
FIG. 33 is a right side elevation view thereof;
FIG. 34 is a top plan view thereof;
FIG. 35 is a bottom plan view thereof;
FIG. 36 is a detailed view of the area identified in FIG. 35;
FIG. 37 is a front perspective view of a fifth embodiment of an earbud showing our new design;
FIG. 38 is a rear and left side perspective view thereof;
FIG. 39 is a front elevation view thereof;
FIG. 40 is a rear elevation view thereof;
FIG. 41 is a left side elevation view thereof;
FIG. 42 is a right side elevation view thereof;
FIG. 43 is a top plan view thereof;
FIG. 44 is a bottom plan view thereof;
FIG. 45 is a detailed view of the area identified in FIG. 44;
FIG. 46 is a front perspective view of a sixth embodiment of two earbuds, which can be a set, showing our new design;
FIG. 47 is a rear and left side perspective view thereof;
FIG. 48 is a front elevation view thereof;
FIG. 49 is a rear elevation view thereof;
FIG. 50 is a left side elevation view thereof;
FIG. 51 is a right side elevation view thereof;
FIG. 52 is a top plan view thereof;
FIG. 53 is a bottom plan view thereof; and,
FIG. 54 is a detailed view of the areas identified in FIG. 53.
The broken lines in the drawings illustrate portions of the earbud that form no part of the claimed design.