A girl wearing pink clothes and headphones
Headphones (or head-phones in the early days of telephony and radio) are a pair of small listening devices that are designed to be worn on or around the head over a user’s ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound in the user’s ear. Headphones are designed to allow a single user to listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air, for anyone nearby to hear.
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