Power Input: USB power from any usb sourceHDMI Input: the HDMI INput interfaceVGA Output:VGA signal Output interfaceConvert the HDMI output port on your ENVY or Voodoo laptop to an analog VGA input with the HDMI to VGA Conversion Adapter Cable It supports full-size high-definition resolution of 720p or 1080pCan use for All HDMI input and VGA output deviceHDMI to VGA audio cable can be used in set-top box, DVD and other equipment on the HDTVIt is an HDMI digital signals into analog output device, support 480p,720p resolutionInstallation fast,easy operationPackage includes:1 x HDMI Male to VGA 15pin Male + 3.5mm Audio Cable