Question

Who invented earphones?​

Answer 1

Answer:

Nathaniel Baldwin

Explanation:

Headphones originated from the telephone receiver earpiece, and were the only way to listen to electrical audio signals before amplifiers were developed. The first truly successful set was developed in 1910 by Nathaniel Baldwin, who made them by hand in his kitchen and sold them to the United States Navy.

Answer 2

Answer▪︎▪︎▪︎▪︎

■ Nathaniel Baldwin

□ In 1910