The USB2.0 to HDMI/DVI/VGA display adapter allows you to attach one or multiple monitors or projectors to a laptop or desktop using USB2.0 ports.MicroWorld USB2. 0 to VGA DVI HDMI Adapter Supports up to 1080p video resolution with standard and wide screen aspect ratios. Available modes: Primary, Mirror, Extend, and Screen Rotation. Primary: displays the screen on one monitor expand up to 6 monitors. Extend: displays different programs from one computer on multiple monitors. Mirror: displays the same screen on multiple monitors. Image rotation: 0, 90, 180, 270. Embedded audio will pass through