Portable electronic device

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

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of the portion 8 encircled in FIG. 1 ; and,

FIG. 9 is an enlarged view of the portion 9 encircled in FIG. 2 .

The short dash-dash broken lines in the figures represent unclaimed portions of the portable electronic device and form no part of the claimed design.

The dot-dash broken lines encircling portions of the claimed design in FIGS. 1, 2, 8 and 9 that are illustrated in enlargements form no part of the claimed design.