Sony MDRG58V Street Style Headphone with Volume Control High-Power, 30Mm Neodymium Driver Gold-Plated Stereo Mini Plug Lightweight & Portable Volume Control Pump it up (or cool it down) with the volume control built into headphone cord Non-slip design for active sports L-shaped stereo mini plug (gold plated) 30m diameter drive units for deeper bass, lower distortion and wider dynamic range Oxygen-free copper cord for maximum conductivity, minimum noise