"Allows you to carry on a conversation or hear warning calls, yet automatically attenuates all noises above 85dB. Great for use with power tools, chainsaws, routers and air tools and a must for people who are exposed to occasional dangerous noise levels. Hearing Protector Type: Electronic Ear Muffs, Noise Reduction Rating (NRR) (dB): 21, Adjustable Fit: Yes, AM/FM Radio: No, Pairs (qty.): 1, Disposable: No, Battery Required: Yes, Case Included: No LED power indicator On/off switch with volume control Solid-state circuitry Built-in microphone amplifies low-level sounds Comfortable soft ear cushions and headband Requires 2 AA batteries (not included)"
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