FIG. 1 is a front perspective view of an electric toothbrush with cap;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof, the left side being a mirror image;
FIG. 4 is an enlarged top plan view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is an enlarged bottom plan view thereof;
FIG. 7 is front perspective view thereof with the cap omitted for clarity of illustration only;
FIG. 8 is a rear perspective view of the design as shown in FIG. 7;
FIG. 9 is a front view of the design as shown in FIG. 7;
FIG. 10 is a right side view of the design as shown in FIG. 7;
FIG. 11 is an enlarged top plan view of the design as shown in FIG. 7;
FIG. 12 is a rear view of the design as shown in FIG. 7;
FIG. 13 is a left side view of the design as shown in FIG. 7; and,
FIG. 14 is an enlarged bottom plan view of the design as shown in FIG. 7.
The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design.