Using noise-canceling, boom-mounted microphones, and offering noise-attenuation, headsets are designed for PC-based communication applications. Model 40642G-01 has 15 ft extended coil cord terminated with 3.5 mm plugs for earphones and microphones. Model 40642G-03 has 10 ft straight cord terminated with USB connector. Headsets include dual volume controls wired for stereo separation, comfort-gel ear seals, double-foam head pad, and universal flex boom.