Brand: Koss. MPN: KE7. The Koss KE7 Portable Earbuds are the ideal accessory for music lovers on the go seeking a quick and easy replacement. The KE7 includes 2 pairs of earbuds—1 white 1 black—to suit your preferred style and are designed to fit most anyone’s price range and travel plans. The KE7 earbuds: all the Sound of Koss for a fraction of the cost.