Type: Earbud Driver Unit: 10 mm (0.39") Neodymium Rare Earth Magnet Drivers Frequency Response: 6Hz-25KHz Input Impedance: 16 ohms Sensitivity: 99 dB/mW Cord Length: 3.9 ft. Features: ErgoFit Design for Ultimate comfort & Fit 8 Times Stronger Magnet Power Gives Higher Sensitivity & Wider Frequency Response Truly Powerful Sound 3 Pairs of Soft Earpads Included (S/M/L) 200mW Maximum Input Power Clear Sound Cord Slider