Not bi-direction cable, works only from USB-C source to Display out.; The USB-C to DisplayPort cable is ideal for showing presentations, pictures or other audio/video content from the USB-C port of a laptop or tablet to the Displayport input of a monitor, projector, or HDTV.; This USB 3.1 to DP cable is a perfect accessory for Apple®, Microsoft® Surface®, and other leading laptops and tablets which comes with Thunderbolt 3/USB 4/USB 3.1 port.