earphone

/ˈɪrfoʊn/
noun
  1. A small device worn over or inside the ear that converts electrical signals into sound, used for listening to audio privately.
    • She put on her earphone to listen to music on the bus.
    • He bought a new earphone with noise-canceling features for online classes.
    • The earphone fell out of my ear while I was jogging.
Antonyms
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