With the DUB-1040 4 Port Universal Serial Bus (USB) 2.0 Pocket Hub, easily add USB ports to your computer. Now you can connect up to 4 more USB peripherals such as your digital camera, printer, CD drive, mouse, and flash drive to your notebook computer. The DUB-1040 4 Port USB 2.0 Pocket Hub is designed to provide quick and easy access to the 4 USB 2.0 ports. A USB cable is provided to connect to the host computer or another USB hub. Configured directly by the operating system, this USB Pocket Hub operates seamlessly with Microsoft s OpenHCI, Intel s Universal HCI, and USB 2.s latest specification, EHCI.