DC 5V to 9V 12V USB Boost Converter USB Step-up Cable 3.5x1.35mm Connecter For Power Supply/Charger/Power Converter

''Features:Voltage adjustment key design Can choose to output 9V or 12V through the switch LED display shows the output voltage valueIf there is a power outage, you can connect the power bank to the router through the booster cable to supply power to the router.Can be applied to other power devices such as small fans, desk lamps, solar panels, USB power packs, power adapters, etc.Fine workmanship, excellent performance, plug and play, easy to use2 kinds of DC interface suitable for different jacks for a wider rangeTips:Do not use the 9V/12V boost line USB power supply port connected to the USB port on the computer;The current output of the 9V/12V boost line is within 1A, if your router/light cat current is greater than 1A, it cannot be usedProduct interface: USB to DC3.5mm/USB to DC5.5mmDC3.5mm interface specification: outer diameter 3.5mm, inner diameter 1.35mmDC5.5mm interface specification: outer diameter 5.5mm, inner diameter 2.1mmPlug grade: positive inside and outside negativeInterface nature: USB to DC round holeVoltage input: 5VVoltage output: 9V/12VMaximum output current: 9V1A 12V0.8ALine length: 0.8 metersPackage included:USB boost cable X13.5X1.35 adapter X1