Portable electronic device

FIG. 1 is a 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 rear perspective view thereof.

The short dash-dash broken lines in the figures show portions of the portable electronic device that form no part of the claimed design. The dot-dash broken lines shown in the figures represent a boundary of the claimed design and form no part of the claimed design