Otto Engineering 3.5mm Earhanger Option for Evolution, Profile & Storm Speakers and Headsets

OTTO Over-the-Head heavy duty headsets are Mil-Spec and IS/ATEX certified and deliver comfort, reliability and protection. Microphone position can be adjusted by rotating the boom left or right. The headsets offer a certified noise reduction rating (NRR) of 24dB and provide high clarity audio and additional hearing protection necessary for consistent, clear communication in extreme noise environments.