US D589979 S1
We claim the ornamental design for an electronic device, substantially as shown and described.
FIG. 1 is a perspective view of an electronic device showing our new design.
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a right side view thereof; and,
FIG. 7 is a left view thereof.
The dotted lines in the figures illustrate environment and do not form any part of the claimed design.