9 communications headsets specially adapted for protective helmets for use by military, law enforcement, national security, correction institution, industrial, and mining personnel, private military and security organizations, first responders, parachutists, and military simulation participants, such headsets for use with communication radios, intercom systems, or other communication network transceivers; communications headsets specially adapted for protective helmets for use by military, law enforcement, national security, correction institution, industrial, and mining personnel, private military and security organizations, first responders, parachutists, and military simulation participants, such headsets for use with communication radios, intercom systems, or other communication network transceivers and also for use in providing hearing protection to the user
Trademark: 88421622
