Product Description Creative EP-480 ear plugs with absolute excellence embodied the voice and be able to make a very comfortable Add ears, more important is its appearance more in line with the free life style. Features the voices of balanced performance, MP3 player of choice with excellent ergonomic design of the ear plugs, can easily placement ears technical specifications - driven modules : 15 mm Neodymium magnets frequency response range of modules : 20Hz ~ 20kHz Impedance : 32ohms Sensitivity : 112dB Headphone Line Length : 1.2 meters headphone connector : 3.5 mm stereo connector with a net weight : 15g