Interface: USB 3.0 (backwards compatible with USB 2.0/USB 1.1) Colour: Black USB able length: 1M DC power cable: 1.3M LED indicator lights shows the working status of each USB device Plug and play: No driver needed Supports: Hot plugging Overload voltage and current protection - protects the connected equipment and adapter Four-foot pads offer stability while helping to prevent scratches Compatible with: Windows XP/Vista/7/8 & MAC