Made of premium copper and aluminum foil material, the USB extension cable is durable to use. With USB 3.1 interface, it has 5Gbps high speed of reading and writing. It is also compatible for USB 2.0 and USB 1.1. The extension cable has high performance of reducing electromagnetic interference and radio interference to ensure stable data transmission. The cable is plug and play, which is convenient to use. It is compatible for Windows 2000/2003/XP/Vista/Win 7, for Linux and for iOS. Item Name: Hard Disk Cable Material: Copper, Aluminum Foil Copper Wire (30AWG x 2+EAM x 2P+30AWG x 1P+24AWG x 2C+AEB PVC OD4.5+0/-0.2mm Compatible Systems: for Windows 2000/2003/XP/Vista/Win 7, for Linux and for iOS Features: High Speed, Large Compatibility, Durable Cable Length: 50cm/19.69inch;, 100cm/39.37inch;, 150cm/59.06inch; (Approx.) Notes: Due to the light and screen setting difference, the item 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Hard Disk Cable