Handheld respiratory device

FIG. 1 is a perspective view of a handheld respiratory device showing my design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The dash-dot-dash broken lines in the drawings represent the boundaries of the claimed design and form no part thereof. The dash-dash broken lines illustrate portions of the handheld respiratory device that form no part of the claimed design.