QC3.0 USB to 12V 1.5A 5.5x2.1mm Step Up Line Converter Cable for WiFi Router LED Heating Cooling & Air giving beautiful and amazing visual

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QC3.0 USB to 12V 1.5A 5.5x2.1mm Step Up Line Converter Cable for WiFi Router LED Heating Cooling & Air giving beautiful and amazing visualITEM NAME: QC3. 0 USB to 12V 1. 5A 5. 5x2. 1mm Step Up Line Converter Cable for WiFi Router LED. When standard USB input is 5V,5. 5x2. 1mm port output is 5V,when QC3. 0 USB input,5. 5x2. 1mm output is 12V,your USB adapter must have QC 3. 0 output,standard USB input,output is 5V,can not Step Up to 12V.