Sony ZX Series Headband Stereo Headset - Stereo - Green - Mini-phone - Wired - 24 Ohm - 10 Hz - 24 kHz - Gold Plated - Over-the-head - Binaural - Supra-aural - 3.94 ft Cable - Electret Microphone Product Type:Headset Product Series:ZX Brand Name:Sony Manufacturer:Sony Corporation Product Model:MDR-ZX310AP/H