Use the USB 3.0 port on your desktop or laptop computer to connect an HDMI display with 4XEM's USB 3.0 To HDMI External Video Card Multi-Monitor Adapter. Functioning as an external graphics card, this slim USB to HDMI adapter offers a convenient way to add multi-monitor capability to a USB 3.0-enabled computer. Leveraging the high-bandwidth (5 Gbps) SuperSpeed USB 3.0 interface, the adapter delivers pristine, high-definition content to your HDMI display. High quality materials and construction ensures years of dependable performance. For optimal performance use USB 3.0. Backward compatible with USB 2.0. Problem it solves: Add multi-monitor capability to a USB 3.0 enabled computer. Mirror your primary desktop or extend your desktop to double your workspace and increase productivity. 4XEM gear is respected industry wide for its high performance, premium quality and durability.