Pyramex Sentinel Electronic Ear Muffs 26dB NRR Black

Features:NRR 26dBSlim profile ear cupsHeight adjustment to fit all sizesFold-away, padded headbandFront facing microphoneAmplifies hearing, while compressing harmful sounds and reducing them to a safe levelAuto shut-off after four hours3.5 mm AUX jack for use of MP3 and mobile devicesAvailable in a VG clamshellTwo AAA batteries are included