On first use, the output was clear and the sound was perfectly in sync with the video. Extracted analog audio from an Amazon Firestick connected to a video projector. It worked great. A week later I connected the same configuration and nothing. Not sure if there was infant mortality in the circuit but I had to buy something else from BestbuyNote, it doesn't come with a power adapter just a USB cable but I'm fine with that as the power bank I'm using supports it has USB ports.
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