4K USB-C + Mini DP (DisplayPort mini) HDMI Cable not included Vivolink Adapter ring is a "must have" for every meeting room. With the adapter ring attached to HDMI cable in meeting room you are sure that all your guests can connect their laptop computer to your monitor/projector Premium designed adapters in aluminum with laser engraved text. Perfect adapter for small computers with DisplayPort mini or USB-C connectors. All adapters support 4K resolution