FIG. 1 is a perspective view of a portable remote interface device embodying our design;

FIG. 2 is a front elevational view of FIG. 1;

FIG. 3 is a rear elevational view of FIG. 1;

FIG. 4 is a left-side elevational view of one side of FIG. 1;

FIG. 5 is a right-side elevational view of the other side of FIG. 1;

FIG. 6 is a top plan view of FIG. 1; and,

FIG. 7 is a bottom plan view of FIG. 1.

The structure depicted by means of broken lines in FIGS. 1 through 6 has been shown for illustrative purposes only and forms no part of the claimed design.