KOSS 183822 Passive Noise-Isolating In-Ear Headphones Black • Passive, Noise-Isolating In-Ear Stereophones • In-Ear Design Fits Snugly & Is Ideal For Dynamic Lifestyles • In-Line Microphone With Push-To-Talk Button • Includes Small, Medium & Large Silicone Ear Cushions For Personalized Fit • 4 Ft, Single Entry Cord With 3.5Mm Plug • Black