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USB 2.0A male Input: 5v 2A; DC connector Output: 12v 0.7Amax.(Note: Do not use the device for more than 12 watts. If you are using a large power

SinLoon USB 5V to DC 5.5mm x 2.1mm 12V Converter Step Up, Voltage Converter Power Cable, for Camera, Desk lamp, Speakers, Blue Tooth Headset, and

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USB Power Boost Line DC 5V to DC 9V / 12V Step UP Module USB Converter Adapter

USB Power Boost Line DC 5V To DC 12V Step UP Module USB Converter Adapter Cable

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5V 9V 12V USB Lead Charger Power Cable for Minirig Portable Speakers & Subwoofer