The ornamental design for a multi-functional ANC meeting speaker, as shown and described.
FIG. 1 is a front view of the multi-functional ANC meeting speaker showing my new design;
FIG. 2 is a back view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a perspective view thereof; and,
FIG. 8 is another perspective view thereof.
The third button from the left on the multi-function ANC meeting speaker forming part of the claimed design is a registered trademark of the Bluetooth Sig, Inc.