Vivolink 4K USB-C HUB for conference system connects all together. It is designed as a HUB that connects all USB devices in the room and send picture out via HDMI port. This USB-C HUB is designed to be attached under the meeting desk and support all connections for a conference room. Simply connect an USB-C cable to your laptop, and the laptop will be charged. Connection gives full access to the USB devices in the room and delivers 4K video plus sound via the HDMI output. The LAN port gives cabled network connection to the laptop. Support following formats: DisplayLink, DP Alt mode, DisplayPort