I watched a 1960 black-and-white Hammer Film, “Stop Me Before I Kill,” and couldn’t help but notice the main character, played by Claude Dauphin, donning this portable transistor radio.
It’s in a leather case and designed to be worn around the neck, as he’s doing in this scene in the kitchen with his wife, played by Diane Cilento.
I think he’s listening to a cha-cha.