Wireless Charger

FIG. 1 is a front, bottom perspective view of a wireless charger, showing my new design; FIG. 2 is a rear, top perspective view thereof; FIG. 3 is a front elevation view thereof; FIG. 4 is a rear elevation view thereof; FIG. 5 is a left side elevation view thereof; FIG. 6 is a right side elevation view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is another perspective view of the wireless charger, shown in an alternate position; FIG. 10 is another front elevation view of the wireless charger, shown in an alternate position; and, FIG. 11 is another rear elevation view thereof, shown in an alternate position. The broken lines in the figures illustrate portions of the wireless charger that form no part of the claimed design.