Set Top Box

FIG. 1 is a front perspective view of a set top box showing our new design; FIG. 2 is a rear perspective view thereof; FIG. 3 is a side view thereof; FIG. 4 is an opposite side view thereof; FIG. 5 is a front view thereof; FIG. 6 is a rear view thereof; FIG. 7 is a top view thereof; and, FIG. 8 is a bottom view thereof. The broken lines immediately adjacent to the shaded area define the bounds of the claimed design and form no part thereof. The broken lines depicting the remainder of the set top box form no part of the claimed design.