Communications headsets for use with communication radios, intercom systems, or other communications network transceivers; Walkie-talkies; Wireless cellular phone headsets; Adapter cables for headphones; Repeaters for radio and television stations; Electronic transmitters for jamming signals; Batteries and battery chargers; Motorcycle helmets; GPS tracking devices; Radio telephones; Amplifiers; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulat...