Wearable computing device

FIG. 1 is a perspective view of a wearable computing device showing our new design;

FIG. 2 is a front view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The dashed broken lines depict portions of the wearable computing device that form no part of the claimed design.