Resolution:720P/1080i/1080P; The audio output:3.5 audio interface/R+L; The voltage:5V 1A; The input end: VGA+Audio; The output end: HDMI The using environment:-20-65degrees, the relative humidity:5%-95%; This product with the chip, and need external power source, the operating current :170mA, the universal USB cable supply to demand normal work It is belong the blow turn into the high, and the HDMI output the audio need simultaneously connect the analog audio, the video output is the version of HDMI-1.3; It is only suitable for the device with VGA interface through connection HDMI HD indicator. Test the known desktop, laptop, security hard disk video and other devices that attached the VGA output can normally work with this product,, and it support the usually use system:win7, win8. The light will flash when the HDMI equipment connect the LED lamp, and the light will extinguish when pull this product out, indicating the work condition HDMI output The item has a gold plating plug terminal, and the included AV audio cable to cater for the different audio input. It is only suitable for the device upgrade with the VGA interface through connection HDMI HD indicator.This product is the New VGA Audio USB conversion cable, with the compact portable design, convert through standard definition VGA analog signal resource and input audio into output HDMI. It applied to the desktop computer, laptop, DVD, Set TOP Box, player and so on VGA signal resource input. Through this converter to let the HDTV, monitor and so on display devices/equipment's output so as to solve the scheme that costumers do it by the analog figures display equipment connecting. Easy operation and convenient use, BUY NOW!!Specification:Size: The length of the conversion cable: 24.5cmThe length of the USB cable:100cmColor: BlackPackage weight: 3.4 oz /96gCompatible Mode:The usually use system: win7, win8.How to use:1. Insert the VGA interface into the computer or other equipment with the VGA output2. Plug the USB and audio connector into the related interfaces3. Insert the other connector into the HDMI cable, and then connect the HDMI cable to the displayer and the projector device with the HDMI interface4. Play the video, PPT and documentation, the image will display on the screen of the other display device5.This converter is NOT bi-directional. It only converts signal from VGA to HDMI.What is included:1 x VGA To HDMI Output 1080P HD + Audio TV AV HDTV Video Cable Converter Adapter, 1 x USB cable