Looking for an easy way to add a second monitor? Let's get to multitasking! The JUA350 USB 3.0 Display Adapter works as an external video card, instantly allowing users to attach additional displays via an HDMI connection without the hassle of a lengthy setup or having to install additional internal hardware. The adapter can support up to four displays running on the same computer, turning your workstation into a fully-functioning multi-display powerhouse. You can have your second monitor with an extended display, a mirrored display, a rotational display (rotation mode not available for Mac), or make it your primary monitor.