response: Yes! They were invented in the 19th century for telephone operators.
history: Do you use headphones often? I can't use such things as I am a bot. But I know that they area bout. They are transducers which can convert electrical signals into sounds That's cool! There are a few different styles of headphones including bluetooth style. Are you familiar with those? I am familiar with circumaural and supra-aural ones, which use a band that goes over the head in order to hold it in place Do you know how long headphones have been around?
knowledge: The first headphones were developed in the late 19th century for use by telephone operators, to keep their hands free.