This innovative hearing protector is setting a benchmark for independent hearing. SportTac guarantees best hearing quality and safety with its advanced technology. Maximum noise reduction capacity -26 dB. On/Off Switch, volume control, J22-audio hook-up to connect a radio device or dog-direction-finder. Headset made of dirt-repellent material, steel headset wires guarantee even pressure even when worn over long periods of time. Rifle butt dent, folds for saving space. Replaceable ear cuffs. Includes one additional pair. Weight 318 g, run time 600 hours, battery type AAA (2x1.5 V), optional accessories: hygienic set, headset kit, radio adapter. Noise reduction coefficient: H= 29 dB, M= 23 dB, L= 16 dB, SNR= 26 dB