The ornamental design for a headsetbracket, as shown and described.
FIG. 1 is a perspective view of a headset bracket illustrating the present invention.
FIG. 2 is a side view of the headset bracket of FIG. 1.
FIG. 3 is a top view of the headset bracket of FIG. 1.
FIG. 4 is a second side view of the headset bracket of FIG. 1.
FIG. 5 is a bottom view of the headset bracket of FIG. 1; and,
FIG. 6 is another side view of the headset bracket of FIG. 1.
The broken line showing of the head band in FIGS. 1-6 depicts environment and forms no part of the claimed design. All other broken lines depict portions of the headset bracket that form no part of the claimed design.