Spec : Maximum Power Input :1000 mW Sensitivity : 102 dB/mW (Power On) Headphone Driver Units : 30 mm Frequency Response : 5 - 22000 Hz Magnet Type : Neodymium Weight :165 g (without cord) Headphone Type : On the Ear (Supra-aural), Closed Back Connector Plating :Gold Plated Beat Response control creates rich lows Swivel folding-style for listening on the go Fixed two-sided cord with AP remote for hands-free Calls..