This usb ctrade to displayport adapter enables you to output dp video and audio from the usb type ctrade port on your laptop or other device the adapter works with usb c devices that pass a displayport dp video signal such as your macbook pro chromebooktrade or other usb c laptop this enables you to connect your displayport display to your usb c computer using a displayport cable ultra hd 4k resolution at 60hz the adapter lets you harness the video capabilities that are built into your c