Photo 1 of MEIRIYFA USB DC 5V to 12V Step Up Adapter Power Cable Converter, USB to DC 5.5x2.1mm 3.5x1.35mm Boost Wire Cord with LED Voltage Display for Router, Speakers, Camera, Desk lamp, Mini Fan (1M)

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Photo 1 of MEIRIYFA USB DC 5V to 12V Step Up Adapter Power Cable Converter, USB to DC 5.5x2.1mm 3.5x1.35mm Boost Wire Cord with LED Voltage Display for Router, Speakers, Camera, Desk lamp, Mini Fan (1M)Photo 2 of MEIRIYFA USB DC 5V to 12V Step Up Adapter Power Cable Converter, USB to DC 5.5x2.1mm 3.5x1.35mm Boost Wire Cord with LED Voltage Display for Router, Speakers, Camera, Desk lamp, Mini Fan (1M)