Lightweight 1.38 in neodymium dynamic drivers deliver a punchy, rhythmic response to even the most demanding tracks. Driver Unit: Dome type.Specific uses for product : Travel The swiveling earcup design allows easy storage when you’re not using them, and enhances portability when you’re traveling Cushioned earpads for total comfort and enfolding closed-back design seals in sound The wide frequency range—spanning 12 Hz to 22 kHz—delivers deep bass, rich midrange, and soaring highs Plug: L-shaped stereo mini plug 3.5mm. Impedance (Ohm) 24 ohm (1KHz). Cord Length 3.94 ft