When was the first pair of headphones invented?
No context provided
When was the first pair of regular headphones invented?
1910
No context provided
When was the first pair of noise cancelling headphones invented?
between 1958 and 1961
Noise-cancelling headphones
https://en.wikipedia.org/wiki/Noise-cancelling%20headphones
Headphones
https://en.wikipedia.org/wiki/Headphones
There are several headphones, including regular headphones, the first pair of which was invented in 1910, and noise-cancelling headphones, the first pair of which was invented between 1958 and 1961.