Usb Boost Cable 5v to 12v 1a Converter to Router\Modem\Wifi

Usb boost cable 5v to 12v 1a converter to router\modem\wifilindy 70268 usb a male to dc 5.5/2.1 male power adapter cable - connects devices with a round female dc power jack to a standard usb power supply. this adapter allows you to supply 5 volts to a device with a round 5.5/2.1mm female dc jack via a standard usb power supply . with this cable, you can connect your power bank to the router. so, in case of a power outage, you can use your power bank to power your router! to power a car air purifier or led light strip by a power bank for 12v wifi router, switches and other equipment. for other 12v devices (power less than 12w 1000ma)