StarTech.com MST14DP122HD is a DisplayPort-to-dual-HDMI MST hub for adding two HDMI screens to a DisplayPort-enabled Windows setup. It can extend the desktop across the displays or mirror the same image on both, making it useful for a multi-screen workspace.
The hub supports two displays at up to 4K 60Hz and uses DisplayPort 1.4 with MST. The manufacturer specifies Windows use and states that the model is not compatible with macOS. It is USB-powered, with a Micro-USB power cable included.