All About Headphones

 

Over time, the headphone products have evolved from the two tiny speakers that were in your ears. It has undergone many changes, including the style of headphones, the way they are worn, and even the pronunciation of their core unit Headphones Around Neck.

https://daytechin.tumblr.com/post/693268135402520576/how-much-do-you-know-about-headphones