The ornamental design for a chargingcase and wirelessearbuds assembly, as shown and described.
FIG. 1 is a top, front, right side perspective view of a charging case and wireless earbuds assembly, showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof; and,
FIG. 6 is a top plan view thereof.
The broken lines in the drawings depict portions of the charging case and wireless earbuds assembly that form no part of the claimed design. The dot-dash lines in the drawings are boundary lines that form no part of the claimed design.