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Synonyms
In-ear headphones
Definition
An electrical device worn on the ear to receive radio or telephone communications or to listen to a radio, MP3 player, etc., without other people hearing.
Invention
1891 A.D. by Ernest Mercadier, France
Obsolescence
2023 A.D. - 2028 A.D.
Development
1890s, Sony Walkman; 2001, Apple MP3 player; 2012, Apple Earpods
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