Talk and listen without holding the radio. Clear sound performance. High-quality Earpiece provide clear audio communication. Fashionable PTT design with metal clip. the Earpiece may be secured to ...
If you make crystal radios, you’ve probably got a few crystal earpieces. The name similarity is a bit coincidental. The crystal in a crystal radio was a rectifier (most often, these days ...
Before the MP3 was the Walkman and before that was the "tranny" - the transistor radio. Personal radios existed before their mass popularity in the 1960's, but then they became a teenage 'must-have'.