Wicked PUR600 6mm Pure Headphones - Black (Discontinued by Manufacturer) In-Ear Style - 3 Cushion Sizes Driver 6 mm - Efficiency 113 dB Impedance 16 phms - Frequency response 20-20000 Hz Max power 65 mw - Titanium speaker 1.2 meter cord - Gold-plated plug 6mm neodynium driver and titanium diaphragm High efficiency drivers for improved sound quality 1.2 meter cord with gold plated plug fits i-phones 3 sizes of ear cushion included for customized fit and improved sound Limited Lifetime warranty