Professional headphones AKTIV made of materials with very high resistance to abrasion and mechanical damages. It`s an excellent acoustic insulation for the ears - they protect against the noise above 85 dB. For greater wearing comfort, the headband was padded with soft foam covered with material. There is the possibility to adjust the handsets to the head size. The headphones are powered by 4 AAA batteries. You can insert the batteries after removing the inner part of the earmuffs. This model is equipped with small speakers and a microphone for conversations and with potentiometers with the function to switch and adjust the level of sound isolation from outside. AKTIV headphones are perfect on the shooting range during the shooting sports and while working with loud machines.