41QA USB DC 5V To DC 12V 2.1x5.5mm Male Step-Up Converter Adapter Cable For RouterOOTDTY  Description:Application:1. With this cable, you can connect your power bank to router. Thus, when power cut, you can use your power bank to supply your router.2. Use this cable, you can supply your car air purifier LED strip light by power bank3. For other 12V Device (power Less than 6W 600mA)Specifications:Input Voltage: DC 5VOutput Voltage: DC 12VMax Input Current: 2AMax Output Power:6WMax Output Current: 600mA(For 600mA or less application is recommended)Cable Length: Approx 1M/3FtColor: BlackInput Interface: USB A Type MaleOutput Interface: 2.1x5.5mm Plug (Inside the positive pole outside the negative)Quantity: 1PC (other accessories in the picture is not included)Note: 1.Transition: 1cm=10mm=0.39inch2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!4.No retail packagePackage includes:1 X USB DC 5V to DC 12V 2.1x5.5mm Male Step-Up Converter Adapter Cable