Only from VGA to HDMI, HDMI to VGA will Not Work Only to convert VGA to HDMI. HDMI to VGA conversion is not supported. The VGA port should be connected to the signal source (e.g., a desktop, laptop, or TV Box), and the HDMI port should be connected to a monitor, TV, or projector. Because this adapter will not work in the reverse direction. Power Function: With its Micro USB port and a 0.6m Micro USB cable, this video adapter can be used with various VGA devices such as Ultrabooks, Chromebooks, desktops, Raspberry Pi, Intel NUC, and Blu-ray players. Please note that the USB connector must be plugged in to power the active VGA to HDMI chipset during use 3.5mm Audio Output This adapter comes with a 0.8m AUX cable for audio transfer through its 3.5mm audio port, providing clear sound. Please note that the audio output is designed for devices with compatible audio output such as desktop PCs or TV boxes. It’s a plug-and-play solution, and no additional drivers are needed. Stability Features Featuring a built-in AG02/MS9288C digital signal conversion chip, this adapter offers stable video transmission with resolutions up to 1920x1080@60Hz (1080p Full HD). It reduces screen flickering and prevents black screens during signal transmission, ensuring a seamless experience with compatible VGA signal sources. 24-Hour Worry-Free After-Sales Service: VENTION specializes in professional audiovisual connections and multimedia conversion products, providing customers with high-quality products and experiences. If you have any issues with this product, the VENTION team offers 24-hour pre-sales and after-sales service Compact portable design, allows you to convert analog VGA from most PC’s and laptops to your HDTV, easy operation and very convenient to use. Specification: Supports Resolution: 720P/1080i/1080P. Features Share your video/audio/data from computers or notebooks, desktops, laptops that has only VGA port to any HDMI – equipped devices like HDTVs, monitors, displayers for big screen viewing. Plug-and-play, automatically sense the native resolution of the display and scale the computer's output to match it. The converter will take audio signal from the computer and embedded it into the HDMI signal output, so that the user is able to enjoy both audio and video through a single cable. Compatible Mode: The usually use system: win7, win8, win10. How to use: 1) Insert the VGA interface into the computer or other equipment with the VGA output. 2) Plug the USB and Audio connector into the related interfaces. 3) Connect the HDMI cable to the hdmi female interface, and then connect the HDMI cable to the displayer or projector with the HDMI interface. 4) Play the video, PPT and documentation, the images will be displayed on the screen of the other display device.