<p>A housing (1, 2, 6a) for a portable, radio telephone device in which a part thereof (6a) is exposed externally at a position recessed from an outer surface a portable radio telephone device so that the part (6a) does not contact the skin whereby heat generated within the portable radio telephone device is efficiently radiated outside and a reliable operability is provided without the outersurface portions to thereof become too hot or cold to comfortably hold by hand.</p>
