Product description    Drive Unit (mm) : 14.8 Impedance : 17 Sensitivity (dB/mW) : 104 Max. input (mW) : 40 Frequency Response (Hz-kHz) : 20 - 20 Cord length (ft) : 1.2 Weight w/o cord (oz) : 0.18 In-cord Volume : No Miniplug (3.5mm) : Yes Air Plug Adaptor : No Plug : Nickel Color: Black