Pyramex Sentinel Electronic Earmuff 26dB Powder Blue

Features: NRR 26dB Height adjustment to fit most. Fold-away padded headband. Front facing microphone. Amplifies hearing while compressing harmful sounds and reducing them to a safe level. Auto shut-off after four hours. 3.5 mm AUX jack for use of MP3 and mobile devices. Two AAA batteries are included.