HDMI to VGA adapter, which is unidirectional, not bidirectional, can only transfer HDMI digital signal to analog VGA. VGA signals cannot be converted to HDMI digital signals. The HDMI-VGA male to female converter is designed with gold-plated connectors, which can resist corrosion and improve durability, and is plug and play, lightweight and portable. The HDMI to VGA adapter connects an HDMI-compatible device to a monitor or projector with a VGA port. PLEASE NOTE : The maximum resolution of this HDMI VGA converter is 1080P, please do not set the HDMI source to 1080P or higher. Note : When the monitor or screen is not working, please reduce the resolution of the monitor or screen to 1080P or below. HDMI to VGA adapter is compatible with most HDMI output devices such as DVD players, desktops, laptops, HDTVs, monitors, projectors. NOTE : If there is no audio, please set the input source to PCM. HDMI to VGA adapter with 3.5 mm audio cable (47.5cm overall length). It allows to connect your audio device using the included audio cable to stream audio and video at the same time : Convert HDMI digital signal to VGA analog signal, 3.5mm audio port to send audio to speakers or monitor. Remember to connect the audio cable to play the sound.