Plantronics offers products for the computer and mobile market segments, specializing in telephone products, such as amplified telephone headsets, telephones for hearing-impaired users and noise-canceling headsets, handsets for use in high-noise environments and value packs. As the world\'s leading designer, manufacturer and marketer of lightweight communications headset products, Plantronics produces a great deal of accessories for its versatile headsets. One replacement voice tube for Encore, Tristar, and SupraPlus series. Clear color.