They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an audio source privately, in contrast to a loudspeaker, which emits sound into the open air for anyone nearby to hear.

What are headphones used for?

What Are Headphones? The definition of headphones, according to Techopedia, is “a pair of small speakers used for listening to sound from a computer, music player, or other such electronic device.” They're a portable way to hear your favorite songs, podcasts, audiobooks, and videos.

Is it OK to use headphones daily?

Those who suffer from tinnitus are susceptible to develop high sensitivity even to normal environmental sounds and this is called hyperacusis. “Earphone usage should not exceed more than an hour per day. Make sure you limit your usage and keep ear pain or hearing loss at bay,” recommended Dr Agarwal.