Specifications:Made of premium copper and aluminum foil material, the USB extension cable is durable to use.With USB 3.0 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.It is compatible for Windows 2000/2003/XP/Vista/Win 7, for Linux and for iOS.Item Name: USB 3.0 Extension CableMaterial: Copper, Aluminum FoilCopper Wire Specifications: (30AWG x 2+EAM x 2P+30AWG x 1P+24AWG x 2C+AEB PVC OD4.5+0/-0.2mmCompatible Systems: for Windows 2000/2003/XP/Vista/Win 7, for Linux and for iOSFeatures: High Speed, Large Compatibility, DurableCable Length: 50cm/19.69", 100cm/39.37", 150cm/59.06" (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 USB 3.0 Extension Cable