0 a small piece of electronic equipment that has parts which you wear in your ears to listen to a radio or personal stereo -- høretelefoner; øresnegl
What happens in the case of a child who is partly deaf—not wholly deaf, but deaf enough to need the help of earphones, perhaps, and some form of electrical amplification?
Personal stereo sets are not capable of generating very high volumes, although the use of earphones means that lower volumes are more concentrated.
The prospect of several sheep wearing earphones is delightful.
Many people walk around, sometimes rather dangerously, listening to transistor radios and cassette recorders while wearing earphones.
In addition, the practice has grown up of not having loud wireless sets in wards but of having individual earphones.
Many use their hi-fi earphones so as not to disturb their neighbours or the rest of the family.
The earphones would enable people to listen to it: the cotton wool would not prevent people from hearing it.
It is completely incomprehensible to others who hear a somewhat disembodied, sepulchral twittering which emanates from the earphones of those machines.