beyerdynamic T1 2nd Generation Audiophile Stereo Headphones with Dynamic Semi-Open Design (Silver) Highly Efficient Tesla Technology Drivers Spacious, Transparent and Powerful Sound Breathable, Super Soft Velours Ear Cushions with Memory Foam High impedance (600 Ohms), 5 Year Warranty 3-Metre Long Double Sided, Detachable and Textile Braided Cable with OCC 7N Copper Conductors