The ornamental design for a wirelesschargingbox, as shown and described.
FIG. 1 is a first perspective view of a wireless charging box in accordance with the present invention.
FIG. 2 is a second perspective view of a wireless charging box in accordance with the present invention.
FIG. 3 is a front view thereof.
FIG. 4 is a back view thereof.
FIG. 5 is a left view thereof.
FIG. 6 is a right view thereof.
FIG. 7 is a top view thereof.
FIG. 8 is a bottom view thereof; and,
FIG. 9 is an exploded perspective view of a wireless charging box in accordance with the present invention.
The broken lines showing of portions of the wireless charging box are for the purpose of illustrating environmental structure and form no part of the claimed design.