Cobalt AV, the popular radio accessories division of ComtronICS Inc, founded in 2003, offers the widest selection of value-priced, quality-built headsets and audio accessories—everything you need from a single source! State-of-the-art products, including our own brand of Bluetooth® tactical wireless headset intercoms. Cobalt AV brand blue muff headsets with detachable radio/intercom cords are an industry favorite. We custom build headsets, cable assemblies, wireless telephony, and intercoms. Our warehouse in Lexington KY is ideally located within 1-2 ground shipping days for central and eastern United States, with quick turnaround for Canada. Dealer inquiries welcome.