World First Earphone/Headphone: You all must be aware of the role played by earphones, earbuds or headphones in a congested area like Delhi. In the metro today, usually every person has either earphones or headphones in their ears. Today earphones are also available in the market for 40 to 50 rupees. Do you know how the earphones that you are able to buy so cheaply today started? What did the world’s first airplane look like? Hardly anyone would know about this. Today, through this article, we will tell you how…
Read MoreKnow When Were First Earphone And Headphone Invented How They Look Details
