Bone conduction headphone

FIG. 1 is a top perspective view of a bone conduction headphone showing our new design;

FIG. 2 is bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The shade lines in the Figures show contour and not surface ornamentation.

The short dash broken line in the Figures form no part of the claimed design.