The Bone Fone, despite its name, wasn’t a phone at all. Rather, it was a radio speaker meant to be worn around the neck like a scarf. The idea was to get sound to resonate through the wearer’s bones, simulating the feeling of listening to a high-end audio system while on-the-go. The $69.95 gadget, released in 1979, was marketed to joggers as a less bulky alternative to headphones. JS&A, the company behind the Bone Fone, claimed to have sold 10,000 units by 1981, at least according to an ad found in an issue of Popular Science from that year.

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