Vention HDMI to VGA adapter converter with audio output and power socket Product SKU:2211 Model:VAA-V05 Length:0.15m Color:Black Weight:0.042kg From HDMI digital interface signal source devices to VGA analog interface projection/television/display device... An additional power supply input port allows the external power 10w (5v-2a) to be connected to improve and stabilize the signal if interference occurs. 3.5mm audio port provides synchronous conversion and transmission of audio signal along with video signal. External power supply adapter are not included at the price of the product!!! 