Sordin Supreme Pro-X Slim Electronic Hearing Protector, Black PVC Headband, Defense Personnel-Grade, Waterproof, 400-Hour Battery, 3.5mm AUX Input (74302-X/L-02-S-US)

Wider headband compatible with larger head shapes, ensuring a comfortable fit. Advanced SordinHEAR2 sound system with four audio profiles for optimal sound quality. IP67 waterproof rating with waterproof microphones and battery compartment for durability. Level-dependent function amplifies ambient sound while protecting against hazardous noise. AUX input for connecting external audio sources, with a 3.5-mm mono cable included.