This Portable Digital AV Adapter allows you to connect your HDTV, monitor, computer, tablet, projector and other HDMI displays with HDMI / DVI / VGA port to your USB Type C devices. 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. This 4XEM multiport adapter 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.