Koss PLUG Earbuds & In Ear Headphones - Stereo - Black - Wired - 16 Ohm - 10 Hz 20 kHz - Earbud - Binaural - In-ear - 4 ft Cable

In-ear headphones expand for custom comfort, improving isolation and high fidelity, and enhancing deep bass and treble clarity Additional soft foam ear cushions included Noise isolating in-ear headphones Memory foam ear cushions Covered under the Koss Stereophones Limited Lifetime Warranty