We all use some kind of earphones to listen music. Students use earphones to listen MOOC lectures. People use earphones during phone call. And the usage list of earphone goes on… There are different types of earphones and different terminology
We all use some kind of earphones to listen music. Students use earphones to listen MOOC lectures. People use earphones during phone call. And the usage list of earphone goes on… There are different types of earphones and different terminology