Califone 1025MT NeoTech Plus Headset, Mic, 3.5mm stereo plug with CaliTuff Braided Cord - Stereo - Black - Mini-phone - Wired - 25 Ohm - 20 Hz - 20 kHz - Nickel Plated - Over-the-head - Binaural - Circumaural - 6 ft Cable - Noise Reduction, Electret, Condenser, Uni-directional Microphone: