The CP-7 was the first all-weather cassette portable. The entire unit had to be placed in a specially designed weather-proof carry case . This was just a few months before the debut of Sony's first Sports Walkman, the WM-F5.
The Lo-D PeeWee is a Sharp OEM model with world frequency AM/FM tuner.
The Lo-D PeeWee CP-S20 is the lightest portable cassette player in the world, as it is an OEM of the Sharp KC-K99. There are no control buttons on the player, it always requires the remote control.
Sony OEM with the battery compartment integrated, non-detachable. The front door, finished in a wooden color, complements the golden hue of the body well.