Bluetooth headset

FIG. 1 is a front view of a bluetooth headset showing the new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top, front perspective view thereof.

The broken lines in the drawings depict parts of the bluetooth headset that form no part of the claimed design.