KOSS 178188 CS100 USB On-Ear, Over-The-Head Stereophone Headset 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; Foam ear cushions for open, hear-through sound; Adjustable headband for a great fit; Freq resp: 30Hz - 16kHz; Oxygen-free copper voice coils; Foam ear cushions; Limited lifetime warranty Warranty 90 DAYS BRAND : KOSS
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