Headphones are a pair of small-loudspeakers which aredesigned to be held inplace close toa user's ears. Headphones havewires whichallow themto beconnected to a signalsource suchas an audio amplifier, radio, CD player, or portablemedia player. Theyare alsoknown as stereophones or, colloquially, cans. The inear versions areknown as earphones or earbuds. In thecontext of telecommunication, the termheadset is usedto describe acombination ofheadphone andmicrophone.
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