A) The VGA connector does not transmit the sound, so the RVH-VGA audio stereo output is to a 3.5 jack to which headphones or active speakers can be connected.

B) To use the audio output, set the HDMI output as the default sound playback device (or install audio drivers for the graphics card of your computer).

A) Some devices may need auxiliary power via the microUSB connector on the adapter body. When connecting to a desktop PC or laptop, additional power is not needed.

B) The power supply is not included, but any mobile phone charger with a microUSB output can be used.