KOSS 168990 The Plug Earbuds Dynamic element positioned just outside the ear ; Soft foam cushion, made of hydrophilic, formed urethane, expands for a custom fit; Freq resp: 10Hz - 20kHz; Imp: 16_; Sensitivity: 112dB/mW; 4ft, straight, dual-entry cord; Includes 4 extra ear cushions; Limited lifetime warranty Warranty LIFETIME BRAND : KOSS SKU : KSSTHEPLUG UPC : 021299147573
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