Add USB 2.0 Peripherals with this Multiport USB Extender This TAA compliant 7 Port USB 2.0 hub connects to one USB 2.0 port on a Mac or PC computer, adding seven USB 2.0 ports, allowing you to maximize the number of high speed USB peripherals connected to your computer. The hub supports cascaded installation with other USB 2.0 hubs, supporting up to 127 USB 2.0 device connections - a scalable solution for connecting multiple USB devices to a single host computer. Hub Features Multiple Charging Options This USB 2.0 port expander includes an external power adapter, but can be self powered through USB bus connection to the host computer (bus powered), allowing you to install the hub as needed without worrying about the availability of a power outlet. Hassle-Free Use This USB splitter hub supports plug-and-play and hot-swap technologies, ensuring ease of use. The hub also features a small form factor, making it easy to transport for professionals on the go. This 7 port USB 2.0 hub is backed by a StarTech.com 2-year warranty and free lifetime technical support.