StarTech.com USB HDMI External Dual or Multi Monitor Video Adapter

"The USB2HDMI USB HDMI External Video Adapter (Dual or Multi Monitor with Audio) turns an available USB 2.0 port into an HDMI output, with high resolution video support (up to 1920x1080) and audio.

The USB HDMI adapter can be used to mirror your primary desktop, showing the same image on each display, or to extend your desktop to double your workspace and increase your productivity.

This external graphics card is a cost-saving multi-monitor or dual display solution, for either laptop or desktop applications, offering the ability to connect an additional HDMI (or DVI) display to your computer setup without the hassle of opening the computer case to install a new video card.

Backed by a StarTech.com 1-year warranty and free lifetime technical support."