#telephone_receiver__telephonereceiver__receiver  earphone that converts electrical signals into sounds
  supertype:  #earphone__earpiece__headphone__phone  electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear; "it was not the typing but the earphones that she disliked"
  part of:  #telephone_set
  subtype:  #headset  receiver consisting of a pair of headphones

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