Active hearing protectors Earmor M31 MOD. 4 Olive

Manufactured by Earmor™ M31 active hearing protectors designed for shooting sports, noisy technical environments and hunters. 
The basic feature of the headphones is attenuation harmful noise above 82 decibels. Additionally, to improve communication on the range, during the competition itp, the headphones amplify low-level sounds. Nothing prevents you from communicating with those around you while the headphones are on. The M31 has built-in microphones - one for each earcup.  
The headphones come with cable mini-jack 3.5 mm, which will allow you to plug your headphones into your phone or music player. 
The headphones have the ability to be easily, quickly folded and tucked into the included carry pouch, while low-profileethe canopies are designed to make it as easy as possible for shooters to fold into the shot when handling the weapon. 

Commodity features: 
-NRR at level 22 db. 
-impulse noise attenuation above 82 db. 
Low-sound reinforcement. 
Built-in microphones. 
-Included cable 3.5mm (left shell connection)
-3 large rubber button controls (on, off, volume control). 
-Powered by 2 x AAA batteries (not included)
-Easy and quick band adjustment. 
Function "auto shutoff" after 4 hours of inactivity.