Symbol 5076 from IEC 60417 - Title/Meaning: Earphone Function/description: To indicate a reference to an earphone.
Additional information: 
Published in: First edition, 1973;IEC 60417 database;3C/941/FDIS
Own work using: iso.org/obp/graphics/grs/9f624da3-4985-414e-ac70-45b308385a2a 200.png
Vectorization:  Mrmw