Specifications Summary: Colour: Black, Refresh Rate: 60Hz, The Lenovo Universal USB 3.0 to VGA/HDMI Adapter turns an available USB 3.0 port into a display port offering either VGA or HDMI output with support for high-definition 1080p and with audio (from HDMI port only).The adapter delivers a convenient external video solution that makes it easy to add multi-monitor capability to a USB enabled desktop or laptop computer. Leveraging the USB 3.0 SuperSpeed interface, the USB video adapter functions as a convenient external graphics card, no additional graphics card required. The adapter delivers smooth, high definition content to multiple displays.With two video output ports, the dual head design of the adapter offers a compact multi-monitor solution across both VGA and HDMI technology. The adapter is installed externally, through USB, which enables you to add graphics capability to your system without adding a new graphics card. Note: Depending on many factors such as the processing capability of the host and peripheral devices, file attributes, and other factors related to system configuration and operating environments, the actual data transfer rate will be slower than 5 Gbit/s on USB 3.1 Gen 1 (USB 3.0) connectors, slower than 10 Gbit/s on USB 3.1 Gen 2 connectors, and slower than 20Gbit/s on USB 3.2 connectors.