The ornamental design for a handset, as shown and described.
FIG. 1 is a front elevational view of a handset including a display portion and a pair of partially oval-shaped control portions located below the display portion; and,
FIG. 2 is a front elevational view showing another embodiment of the handset including a reduced-size display portion and a pair of partially oval-shaped control portions located below the reduced-size display portion.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.