LinkS 67 VGA to HDMI Scaler/Converter with Audio Support and USB for Power- Black Supports both video and audio The Converter Takes Audio from the Computer via 3.5mm and Embeds it to the HDMI Output along with Video Plug and play: no installation of any driver and software and no external power source required The usage tips: please read the photos carefully: use the HDMI output of this adapter to connect your HDMI input monitor Power source required by usb, One year warranty by LinkS