Koss 194556 (R) 178188 CS100 USB On-Ear, Over-the-Head Stereophone Headset

? Foam earpads for open, hear-through sound;? USB plug;? Headset with electret, noise-reduction microphone for hands-free communication from PCs;? Ideal for PC voice applications, interactive gaming & speech recognition;? Dynamic element for extended frequency response;? Adjustable headband for a great fit;? Freq resp: 30Hz-16kHz;? Oxygen-free copper voice coils;? Limited lifetime warranty;