Easily add a DisplayPort, HDMI, DVI, or VGA display to a Thunderbolt 3 or DisplayPort Alternate mode capable USB-C port Easily adds a 4K display to your Thunderbolt 3 and USB-C DisplayPort Alt enabled Ultrabook, laptop or desktop. Note: The USB-C source connection must support DisplayPort Alternate Mode transmission in order for the adapter's video connectors to pass video and audio Supports UHD 4K@60Hz (DisplayPort) & 4K@30Hz (HDMI) and HD 1080p@60Hz (DVI & VGA) resolutions. Note: Supports video output to one connected display at a time Supports high quality 7.1ch audio through DisplayPort or HDMI connection Supports Thunderbolt 3 technology and USB-C with DisplayPort Alternate mode (DisplayPort Alt) Compact and lightweight designed to quickly add an additional display convenient to use at home, office or travel makes this the perfect add-on to your workstation Bus-powered for extra portability, no need to take an external power adapter while on the go Convenient plug and play operation, no driver installation required