What is head phone?

[rabits]

earphones (or earphones in the beginning of communication and radio) are a couple of little listening gadgets that are intended to be worn nearby the head over a client's ears. They are electroacoustic transducers, which change over an electrical flag to a relating sound in the client's ear.

 

[pi-electronics]

There are lots of headphones, earphones, and earbuds. I recently got a Piduet earphone and it is hand free when you make the pone call. Headphone is a pair of small listening devices that are designed to be worn on or around the head over a user's ears.