Specification: Built-in chipset, HDMI output VGA input. No external power supply, plug and play. Resolution of the product can be up to 720p / 1080i / 1080p. Product output audio source to 3.5 or 3.5 audio jack to r +. Interfaces: HDMI input, output VGA / 3.5mm audio output. Allows PC / laptop / DVD / P3 / Xbox360 / sky HD / app HD TV and other devices to be connected with a VGA monitor / projector or other display. Note: HDMI input VGA output, streaming signal from HDMI to VGA, can not function reversally.