WEIAY VGA Male To HDMI Output 1080P HD With Audio TV AV HDTV Video Cable Converter Adapter VGA analog video with analog audio signal input ; standard HDMI digital signal output Design with the black, the total length is 300+/-5mm, matching 3.5mm headphone audio input It does not output in the opposite direction,It is only suitable for the device upgrade with the VGA interface trough connection HDMI HD indicator. With the chip, and need external power source, the operating current :170mA, the universal USB cable supply to demand normal work