SIMPLE OPERATION - After connecting the device, you can directly use UDisplay software to control the video output mode. You need to agree to the UDisplay video permissions. This software is only for the technical needs of the video expansion chip and will not threaten your privacy. Please don't worry. COMPACT AND CONVENIENT - USB HDMI adapter is compact and small. Whether it is placed in a backpack or a pocket, it will not take up much space. It is very convenient for you to carry it out. WIDELY COMPATIBLE - Supports Windows 11 or above, Mac OS 10.15 or above, the product has a USB-C/USB-A port, which can be used no matter which ports your device is, and supports Projector/TV/Monitor use. MULTI-MODE OUTPUT - USB to HDMI Adapters for 2 Monitors Supports multiple output modes. Both Mac OS and Windows systems support MST mode (ABC). You only need to set it on the software to change the display to suit your needs and meet your display output needs. HD RESOLUTION - USB to dual HDMI adapter outputs 1080P resolution, allowing you to experience high-definition visual effects.