The ornamental design for a wirelesscharger, as shown and described.
FIG. 1 is a perspective view of a wireless charger showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a front perspective view of a second embodiment.
The dash-dash broken lines in the drawings depict portions of the wireless charger that form no part of the claimed design.
The wireless charger is shown with symbolic breaks in its length, represented by break lines. The appearance of any portion of the article between the break lines forms no part of the claimed design.