[. . . ] Congratulations on your purchase of the Targus Notebook Cooling Chill Hub XC. [. . . ] Connect one end into the Chill Hub's DC port and the other end into the power outlet. Connect the other end of the USB cable into an available USB port on your laptop computer. Turn the fan on by sliding the Power switch to "I" for low speed fan and "II" for high speed fan. To connect a USB device to the Chill Hub, plug the USB cable from the device into an available port on the Chill Hub. [. . . ] Com/emea Features and specifications subject to change without notice. [. . . ]