sentence: Headphones come in many different sizes from big to small.
sentences_before: Headphones' are electronic audio devices that people wear over their ears. They let people listen to music on a walkman, MP3 player or computer.
sentences_after: They are also known as 'earphones, earbuds, stereophones, headsets' or even 'cans'.
concept_name: headphone
headings: Headphones
categories: Audio technology