FIG. 1 is a front perspective view of a portion of a handset showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a rear view thereof.

The broken line showing of the remainder of a handset in the figures is for illustrative purposes only and forms no part of the claimed design.