The ornamental design of a hairdryer with dual handles, as shown and described.
FIG. 1 is a perspective view of the hairdryer with dual handles of my new design;
FIG. 2 is a left side elevation will view of the hairdryer with dual handles of FIG. 1;
FIG. 3 is a top plan view of the hairdryer with dual handles of FIG. 1;
FIG. 4 is a rear elevational view of the hairdryer with dual handles of FIG. 1;
FIG. 5 is a front elevational view of the hairdryer with dual handles of FIG. 1;
FIG. 6 is a right side elevational view of the hairdryer with dual handles of FIG. 1; and,
FIG. 7 is a bottom plan view of the hairdryer with dual handles of FIG. 1.
The broken lines in the drawings showing the cord in FIGS. 1, 2, 4, 5, 6 and 7 are for illustrative purposes only and form no part of the claimed design.