The ALOGIC HDMI to VGA Female Adapter With 3.5mm Audio Adapter is mostly used to convert a Digital HDMI signal to an Analog VGA signal with an analog audio output. The adapter is suitable for use with most Ultrabook / Laptop / Desktop and Apple TV. When used with Apple TV adapter lets you stream content (Audio and Video) wirelessly to a projector enabled with a VGA input from your AirPlay supported iPad, iPhone, iPod and Mac.