Expansion: Instantly add 4 USB 3.0 ports to any compatible device. Turn a single USB port into a complete workstation. An extended 2-foot cable allows for a perfect setup and easy access to out-of-the-way ports.<br> Convenient: LED indicators show the power status of each port. A separate on/off switch lets you easily connect and disconnect devices with the push of a button.<br> Speed: Supports transfer speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0) and 12Mbps (USB 1.1).<br> Compatibility: Backward compatible with USB 2.0 and USB 1.1 devices. Use with PC, MacBook, iMac, Mac mini, XPS, flash drives and any other USB compatible device.<br> Easy Setup: No driver installation required; plug and play and hot swappable. Charging is not supported.