Ford Tripmonitor Pre-GPS unit, which ran on the Transit satellite network.

Microcassette player too, it doesn't get more niche and short-lived than that. Primo cassettefuturism on display.

Article about the Transit system. TIL the Soviets had a similar proto-GLONASS system called Parus. https://en.wikipedia.org/wiki/Transit_(satellite)

#cassettefuturism