Sony Lightweight Dynamic Studio Monitor Stereo Headphones with Superior Sub-Harmonic Bass Response, Pressure Relieving Earpads, Swivel Earcups, High Power Neodymium Magnets, 30mm Deep Bass Drivers, Multi-Layer Dome Diaphragms and a Noise-Reducing Closed Supra-Aural Design - Black with Metallic Finish - Compatible with all Portable and Home Audio Players