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Title: They work really well
Review: The primary reason for me to buy these earmuffs is to reduce background noise (A/C, coworkers, construction noise across the street, traffic) at work when I need to focus. I have only used these earmuffs for this purpose, and I can say that they work really well. They reduce the external noise so much that you'll start to be bothered by your internal noise (breathing, heart, swallowing). They don't compress your ears at all and they have enough space inside the cups so that you use earbuds to listen to music. I am vary satisfied with this product.
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