Over-the-Head Earmuffs with NRR 31dB
The 3M Peltor X5A Over-the-Head Ear Muffs allow you to maintain focus on your task without the interrupted noise of the environment. Place them over your head and they completely cover your ears, giving you a great noise reduction of 31 dB. They are perfect for study aid, because they are designed to help you maintain attention by reducing outside noises.