Wicked PUR1000 10mm Pure Headphones - Black In-Ear Style - 3 Cushion Sizes Driver 10 mm - Efficiency 116 dB Impedance 16 phms - Frequency response 20-20000 Hz Max power 65 mw - Titanium speaker 1.2 meter cord - Gold-plated plug 10mm 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