Expand 4 USB 2.0 Port for your PC Ultra Book and Laptop. Support data transfer rate up to 480Mbps backward compatible with USB 1.1 / 1.0. Built in overcurrent/Leakage and Short-Circuit protection unit protecting the port and USB device connected. Enjoy your visual senses with the many colors to choose from. Plug and play drive free. Compact design for portability. Supports Windows2000/XP/Vista/Win7/Win8(32/64-bit) Mac OS 9.x or higher(with USB port). Note: This hub is not designed to serve as a standalone charger and will not charge an iPad tablet or any other device with non-standard charge requirem ents.