Made by Telex for Motorola's Military division, unused old stock from the 1990's. No headband included but they can be clipped on glasses. Comes with 9x11" zippered bag. Kit P/N: 50-80379B13. http://users.rcn.com/r390a/ForSale/HeadsetKit.jpg Connector is marked 'ITT KPT6B8-4P07' http://users.rcn.com/r390a/ForSale/HeadsetConnector.jpg Have several @ $15 each plus actual shipping.