This 3 in 1 travel adapter offers a portable solution for connecting your usb c computer to a vga dvi or hdmi display the travel adapter is compatible with your dp alt mode computer dp alt mode means your computer can pass a displayport video signal through the usb c port stylish connectivity for your usb c laptop this travel adapter comes with a built in black usb c cable and works well with your dell xps macbook and any device that supports usb c dp alt mode all in one video connectivity with