Portable electronic device

FIG. 1 is a front perspective view of a portable electronic device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view of the same portable electronic device in an alternate position thereof;

The broken lines illustrating portions of the portable electronic device form no part of the claim design.