This product is a portable digital-analog conversion line， defined through a standard HDMI input HD sources， you can convert audio and video output for VGA + Audio. Products are widely applied to: Computer/DVD/digital set-top box/laptop/mobile phone/digital camera/tablet PC/media player/a range of HD sources such as input devices. Audio and video signals to the TV / monitor / projector output. To solve a simple user operation of the display device connectivity solutions.Flexible design and realize a line through function.No external power supply， plug and play.Product resolution can be up to 720P/ 1080i/ 1080P.Product output audio source for: 3.5 or 3.5 audio socket to R + L.Input: HDMI.The Output: VGA + Audio. Package Included:1 x HDMI to VGA Cable Adapter1 x Audio Cable