Foldable earmuff headphones for easy storage. Headband made of stainless steel wire and black-coated plastic. Cups made of black ABS in a contoured shape with hygiene rings made of black PVC-coated foam and noise-reducing foam padding. On/off button and volume control with ambient sound amplification (sound playback limited to a maximum of 82 dB to prevent hearing damage) as well as the option to select one of four preset SordinHEAR2 modes to optimize sound depending on the situation (Hunting, Shooting, Focus, and Ambient Off mode). Attenuation values: SNR=29 dB, H=32 dB, M=27 dB, L=20 dB. An Aux input for connecting an external audio source such as a radio (3.5 mm jack). Waterproof: IPX-8 standard (waterproof for submersion up to 2 meters deep for 35 minutes). Compatible with ARC rail and Rear ARC rail mounting systems (not included) for attachment to a tactical helmet with rail. Compatible with the Suprême T2/X2 earmuff suspension kit (not included). Supplied with a non-rechargeable alkaline battery LR06/AA 1.5V; can also be powered by a rechargeable 14500 3.7V 800 mAh battery (not included). Standards: EN 352-1:2020, EN 352-2:2020, EN 352-3:2020, EN 352-4:2020, and EN 352-6:2020. Weight: 305 g (with battery). Color: olive green.