YOU CAN'T STOP WHAT YOU CAN'T SEE OR HEAR

Communications systems comprising microphones and receivers; Communications equipment and accessories, namely, boom microphones and ear muffs in the nature of headphones; Headsets for mobile radios and mobile phones; Microphones; Earpieces, namely, ear muffs in the nature of headphones incorporating hearing protection; Radios; push-to-talk interface modules specially adapted for use with hearing protection ear muffs, mobile radios, and mobile phones