The ornamental design for a tabletop wireless powertransmitter with folding wings, as shown and described.
FIG. 1 is a front perspective view of a table top wireless power transmitter with folding wings;
FIG. 2 is a rear perspective view of a table top wireless power transmitter with folding wings;
FIG. 3 is top view of a table top wireless power transmitter with folding wings; and,
FIG. 4 is a side view of FIG. 1.
The broken lines in the drawings are for the purpose of illustrating unclaimed portions of the table top wireless power transmitter with folding wings, and form no part of the claimed design.