DC 5V USB to 1.5V 3V 4.5V 6V 9V 12V Voltage Step Up Converter Cable Power Supply

Features:, Brand new and high quality, The module cable is a DC-DC adjustable step up/down power supply module with 2Bit LED digital tube display.

DC 5V USB to 1.5V 3V 4.5V 6V 9V 12V Voltage Step Up Converter

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