Adattatore cavo convertitore modulo step up potenziamento tensione USB DC 5V a DC 9V /12V
5V: simple power line, USB input 5V, power DC plug output 5V. (2) 9V/12V step-up line current output is less than 2A. Product interface: USB to DC3.5mm/USB to DC5.5mm. Interface properties:USB to DC round hole.