Pair of headsets for telephones

FIG. 1 is a perspective view of a pair of headsets for telephones showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

In the drawing the claimed design is defined by the shaded surfaces. The broken lines depict environment that forms no part of the claimed design.