I was intrigued by the Etymotic High-Fidelity Earplugs because I figured that I could use them inside my ears with noise-canceling headphones on top for double protection.
etymotic
1 Article
1
I was intrigued by the Etymotic High-Fidelity Earplugs because I figured that I could use them inside my ears with noise-canceling headphones on top for double protection.