earphones (n)

You have to use earphones when you on the bus.
He plugged in his earphones and immersed himself in the soothing melodies of his favorite music.
The wireless earphones provided a convenient and tangle-free listening experience.
Commuters on the train often wear earphones to create a personal audio space amid the hustle and bustle.
The noise-canceling feature of the earphones allowed her to focus on work in a busy office environment.