The ornamental design for a portable blue-ray player, as shown and described.
FIG. 1 is a perspective view of a portable blue-ray player showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a perspective view of the portable blue-ray player showing our new design in a state in which the portable blue-ray player is open when used.
The broken lines in the drawings are for illustrative purpose only and form no part of the claimed design.