USB 3.0 TO VGA cable adapter through USB 3.0 for an accelerated external multi-monitor. Leveraging the high-bandwidth (5 Gbps, 10x faster than USB 2.0) SuperSpeed. It does allow you to extend your screen, or mirror. Works great.Add an extra VGA port to your desktop or laptop computer in several minutes.Our external USB 3.0 to VGA solution allows you to enjoy multiple monitor efficiency without opening your computer case. This USB external video card is ideal for a wide range of applications including web browsing, multi-media presentations and video playback. USB 3.0 TO VGA adapter to computer install the driver with the drive disc Restart your computer and you can use this adapter to connect another VGA monitor. Compatible with: 1.Windows 8.1 2.Windows 8 3.Windows 7 4.Windows Vista 5.Windows XP 6.Note: Mac OS X is NOT supported. " Supported Resolutions:USB3.0 up to 1920x1080,