Specifications: Noise Reduction Rating (NRR) 22 dB; features three levels of electronic ambient sound restoration; effectively suppresses harmful noise levels exceeding 82 dB; includes distinct reminder tones for ON/OFF and adjustment of restoration; powered by two AAA batteries, offering approximately 350 hours of usage with new alkaline batteries; incorporates a four-hour automatic shut-off feature; ergonomically designed cups ensure comfort and effective sealing; equipped with a 3.5mm AUX input for connectivity with media devices; employs NANO technology for anti-sweat properties.
