Wireless Charger

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