Connect the steps: 1.Insert the VGA into your devices (laptop,desktop or TV-BOX etc). 2.Insert the USB into the related prot on your device for getting the supplementary power. 3.Insert the 3.5mm AUX into the Audio output on your source device(laptop,desktop or TV-BOX etc) 4.Insert the HDMI cable (not include) to the HDMI female interface(TV, monitor, projector or display screen). Play the video, PPT and documentation, the images will be displayed on the screen of the other display device. Notes: The adapter supports only VGA input HDMI output for use. The USB cable must be connected to the power supply when in use. It is recommended you switch the resolution to try if the image is blurry. It won't work if your resolution exceeds 1920*1080 due to it is our support maximum resolution. Package Contents: 1*USB power cable 1*3.5mm Stereo Audio Cable 1*vga to hdmi with audio adapter See more

One-way transmission: The ZY5621 chip in the adapter only supports conversion of VGA signal and output to HDMI display device, but does not support conversion of HDMI signal into VGA signal. And the connection needs to be plugged into a USB cable for power supply before use. Universal Compatibility: VGA to HDMI female adapter work with PC, laptop, TV,TV-Box and other VGA output devices. HDMI port can be connected to projectors, HDTV, monitors/Displayer and other device with HDMI port. Plug and Play: The VGA to HDMI adapter is easy to connect and easy to use without an amp driver. The interface is fixed with screws, compact and not loose. Video and Audio Synchronously: The DB15(VGA) Male to HDMI Female adapter can support full HD video resolution of 1080p (1920 x 1080/60Hz) and 3.5mm audio transmission. VGA to HDMI Converter,the adapter with 3.5mm audio port can transport audio and video from VGA compatible device to a monitor or projector with HDMI port in high speed transmission rate, Travelly size tuck this lightweight gadget into your bag.