Bluetooth headset for cellular phone

FIG. 1 is a front, right perspective of the Bluetooth headset for cellular phone showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof, the undisclosed portion is not part of the claimed design;

FIG. 4 is a left side view thereof,

FIG. 5 is a right side view thereof,

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

FIG. 7 is a bottom plan view.