USB to HDMI AdapterUltra Fast USB 3.0 portand built-in with premium quality chip for stable performance and long life.equal to an external graphics card to deliver smooth high definition video to your HDTV/ projector or monitor.Support Windows 11, Windows 10, Windows 8, Windows 7, Windows XP. 4K 1080P FULL HDThe high speed USB 3.0 to HDMI adapter cable provides up to 1920*1080 resolution images to the display. Please NoteIf your main screen display resolution is set higher than 1920 * 1080, the expansion screen will not be displayed after connecting the device. At this time, please set the main screen resolution to 1920 * 1080 can be used normally. Mirror and Extend Mode This USB to HDMI convertor have extend mode let your laptop for visibility of multiple tasks at the same time; Mirror mode gives your laptop to a large screen for a visual enjoyment.Ideal for Simultaneous implementation of many tasks, video conference, corporate training, etc.Use the "WIN+P" shortcut keys to switch mirror and extend mode in Windows system. Please NoteThe frame rate of this HDMI adapter cable is relatively low, so it is more suitable for static screen use, such as monitoring screen expansion, office screen expansion. Not suitable for use as a game of entertainment and HD movie playback, otherwise there will be dropped frames. Please confirm your usage needs before purchasing.