Mllepjdh USB to for 5.5x2.1mm Power Line 5V 9V / 12V Step Up Module Converter Adapter Cable

By charging treasure to power other devices. Such as: routers, USB lights, USB fan, radiator, 5V speakers, Use this cable, you can supply your car air by powerbank. With this cable, you can connect your powerbank to router. Thus, when power cut, you can use your powerbank to supply your router. With built-in high-quality for smart IC circuits, our voltage adapters are stable and safe, providing complete for protection against overcurrent, overvoltage, overload short circuit. pure copper core cable is wrapped by environmentally friendly wire to ensure stable power transmission and for and