Koss KSC75 Portable Stereophone Headphones Connectivity Technology: Wired Sport clip design fits neatly around each ear, with pivoting earplates for a comfy fit Titanium-coated drivers deliver accurate sound reproduction with little distortion Neodymium iron boron magnets offer deep bass performance for an extended frequency response Cord measures four feet long; L-shaped 3.5 mm plug Limited lifetime warranty