Solid state circuitry provides hearing protection from noise levels above 85dB.Convenient on / off switch with adjustable volume control allows built-in microphone to pick up low level sounds such as people talking or warning sounds. Adjustable multiposition ear cushions fit small to large head sizes and provide a comfortable and secure fit. Padded ear cushions provide a soft and effective seal over both ears.
Main Specification:
·LED power indicator light
·On / Off switch with volume control
·Fully adjustable for comfortable fit
·Eliminates noise over 85dB
·The NRR is 21 decibels (dB)
·Built-in microphone amplifies low sounds
·Requires (2) AA batteries (not included)