The ornamental design for a handset, as shown and described.
FIG. 1 is a perspective front view of a handset showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a perspective top front view thereof;
FIG. 6 is a perspective bottom left view thereof; and,
FIG. 7 is an enlarged perspective front view of the claim area from FIG. 1 shown in isolation from the environment.
The dot-dash broken lines represent the bounds of the claimed design while all other evenly spaced broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.