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Title: Don't really do anything
Review: These ear plugs block out a very small amount of noise, like the hum of your computer fan or refrigerator. Everything else is still audible. I tried to wear these on the BART (subway of the Bay Area) and it didn't do anything for the noise. I tried to wear them at work and they just emphasized people's talking since it blocks out all the light humming noises in the room.Additionally the plastic is not made to last. After a year or so (even on the set of plugs I didn't use) they started to get this weird stiffness to them, making them even less likely to block out noise because they don't conform to your ear canal. Maybe it's the shape of my ears, but I'm going to have to agree with reviewer amyd - are the positive reviews from people who are hard of hearing? If you like this style of ear plug I recommend the Howard Leight SmartFit. Similar design, re-attachable cord, reusable, actually blocks out noise.
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