First, you need to understand you can't just slap some simple converter on the end of an HDMI cable that will turn it into USB, and make the computer accept it and do what you want. What you need is a video capture system of some sort. It also carries audio through to the HDMI output so you can turn your PC into a home theatre PC without audio sync issues. Supports desktop mirror, extend mode, multi-screen mode, and rotation mode and add up to four USB 3.0 converters simultaneously. Compatibility: Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X® 10.0+.
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.Modes:Single VGA or HDMI output:VGA up to 2048x1152@ 60 HzHDMI up to 2560x1440@ 50 HzDual VGA and HDMI output (connect VGA first) supporting resolutions up to 2048x1152@ 60 Hz:Notes:Connect VGA first. Tech Specs DescriptionLenovo Universal USB 3.0 to VGA/HDMI AdapterHeight (US)1.46inWidth (US)5.59inDepth (US)8.15inWeight (US)0.25 lbsHeight37mmWidth142mmDepth207mmWeight0.11KgMin Operating Humidity20%Max Operating Humidity95%Min Operating Temperature-5CMax Operating Temperature40CSupported Operating SystemsOS IndependentOther InformationMicrosoft Windows7 (32bit & 64bit)Microsoft Windows8 64bitMicrosoft Windows 8.1Warranty Types1 Year - CRUWarranty PeriodOne Year.