ee680

NRR22dB Shut off noise above 82decibels Dual power and volume control knob 8 times Amplifies sounds External battery box lid Model No.EE680lectronic Noise Blocking EarmuffSound active compression (SAC) reduces sounds to safe levels(≈85dB)Amplification 8 times to detect the ambient sounds if lower than 70dBExternal battery compartment, replace batteries easilyAdjustable headbandFoldable headband, ...