Specially developed, comfortable ear muffs for hunters and sports shooters, that do not disturb when shooting and protects effectively against harmful noise. - Weight: only 318 g - smoothly padded headband coated with a dirtrepellent plastic film - foldable for easy storage - 2 x 1.5 V AAA batteries for an operating time of approx. 600 hours - automatic cut-off after 2 hours The PELTOR SportTac is equipped with a J22 audio input for the connection to a communication radio or dog tracker. Tested and approved according to PPE directive 89/686/EEC and EMC directive 89/336/EEC. The attenuation rates are tested according to EN 352-4:2001 and EN 352-1:2002.