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Headphones
Headphones (also known as earphones, earbuds, stereophones, headsets, or by the slang term cans) are a pair of transducers that receive an electrical signal from a media player or receiver and use speakers placed in close proximity to the ears (hence the name earphone) to convert the signal into audible sound waves. In the context of telecommunication, the term headset is also commonly understood to refer to a combination of headphones and microphone used for two-way communication, for example with a mobile phone.
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