When you need protection from loud noises without sacrificing conversational sounds you need the Midas electronic hearing protector. The Midas significantly reduces the high decibel sounds with a NNR of 33dB. The hearing protector operates on two AA batteries with a lightning fast reaction time of one-half second. Handy on/off switch with volume control. Operates 100-120 hours per battery set and has an LED battery life indicator.
Noise Reduction Rating (NRR) is the measure in decibels of how well a hearing protector reduces noise as specified by the Environmental Protection Agency. The higher the number the greater the noise reduction