OTTO NOIZEBARRIER® RANGE SA

  
Situational awareness microphones with adjustable volume ensure accurate sound direction and improve the user experience 
  
360 degree surround awareness 3D sound effect
  
Comfortable, ultra-soft Comply™ foam ear cushions perfectly block sounds 
  
Volume can be adjusted using buttons, 5 levels
  
Sound amplification allows the user to hear important, barely audible sounds
  
Active sound function allows the user to reduce loud sounds to a safe level without interrupting hearing, and allows the user to hear important sounds at the same time. 
  
Ear cushions can be changed easily, without tools
  
Ear cushions are designed to fit safety glasses
  
Battery life of 100 hours when using 2 AAA lithium-ion batteries. 
  
The automatic standby mode does not deteriorate as the batteries run down
  
After standing for 2 hours, they turn off automatically
  
Available colors: Black, Flat Dark Earth and Olive Drab Green
  
Best hearing protection: NRR is 23 dB (SNR: 29 dB).
  
Can be connected to a microphone or hidden headset for clear communication in tactical situations. 
  
Meets MIL-STD-810G standard
  
Optimal use and storage temperature is between -40° C and +71° C
  
Made in U.S.A.
  
Meets the IP68 standard (1m depth 31 minutes)
  
Warranty: 1 year.