3.28ft USB 5V to 9V 12V Converter Voltage Step Up Power Cable 5.5x2.1 Adapter
Features: USB booster input voltage USB 5V, output voltage DC9V or 12V.
The converter can be used to power the router via powerbank-if power down.
Plug-and-play, you can still enjoy the wifi during power cuts.
It can also be applied to other devices which is 5v power supply, such as small fan, desk lamp, solar panel, USB power pack, power adapter...
Alloy jack- not easy to be oxidized and rusted to avoid poor contacts.

Specifications: Material: ABS
Length:Approx 100cm/39.37in
for Volt: 9V / 12V
Connectors Size: 5.5mmx2.1mm
Type: DC9V 0.6A/ DC12V 0.6A

Package Includes: 1 Piece USB to Cable

note: Due to the problems of lighting effects and angles, there will be certain tolerances in the product, please understand.
Please allow 0-2mm error due to manual measurment.