This is a USB 3.1 (C) male to USB 3.1 Type (C), HDMI 4K, VGA, RJ45, USB-A 3.0, SD, TransFlash, Audio female black adapter cable with ABS plastic housing. It allows your USB 3.1 (C) equipped MacBook®, laptop or PC to connect to any USB 3.1 Type (C), HDMI 4K, VGA, RJ45, USB-A 3.0, SD, TransFlash, Audio equipped device, such as a monitor or projector. This also allows for high definition viewing on any HD capable device that is equipped with an appropriate port. Our video adapters are backed by a 3 year warranty and are guaranteed to work the first time.