Adding four independent HDMI monitors or displays through a single USB Type-A port lets you access multiple applications, rocketing your productivity Up to 1920 x 1080 (1080p) resolution on all four ports means you can experience high-definition visuals on every screen Supports two-channel audio using HDMI for high-definition sound Come with a 3.3ft. (one-metre) attached USB-A cable that offers extra distance between the adapter and your host device, providing a flexible setup Automatic driver installation means easy usage Bus-powered, so no external power is needed Multi-Monitor Assistant simplifies multitasking with an intuitive interface, offering features like drag-and-drop, zooming, split scaling, cascading windows, and dynamic video walls