Swiss Tech 13-Level Real Active Listening – enhances sound up to 25 dB Swiss Tech recessed microphones – superior directional awareness Fast sound-activated compression – protects ears from loud noises 64-hour runtime with 2 AAA batteries – included Auto shut-off – conserves battery life NRR 24 dB – reliable hearing protection Silicone-covered 3.5mm AUX port – dust-protected (AUX cable included) Low-profile ear cups & padded headband – all-day comfort Durable rubberized coating – rugged FDE colorway Ideal for hunting, shooting, and tactical outdoor use