HDMI Auxiliary Power Supply Auxiliary Adapter with USB Cable If the power supply capacity of the output unit is insufficient, it may not be performed properly, such as blackouts. As an auxiliary power supply, it can be powered from the USB port of the output to help you operate normally.
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It can also be used when the power supply terminal is omitted, such as DVI-HDMI conversion, or as auxiliary power supply for a stick PC.
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The AC charger with USB port allows you to power from an AC outlet even if your HDMI device is far away.
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