You can now attach your collection of USB devices to one Super-Speed hub with the USB 3.0 10-Port Hub With Power Switches. Easily expand an available USB 3.0 port on your computer to 10 USB 3.0 ports with a sleek design. Plug and Play installation makes for an easy setup. Package Contents: USB 3.0 10-PORT HUB with Power Switches 12V 4A Power adapter USB 3.0 Cable User Manual System requirements: Windows OS Mac OS