Product application: 1. With this cable, you can connect your power bank to the router. So when the power goes out, you can use your power bank to power your router
2. With this cable, you can power your car air purifier through the power bank USB cable
[Guide]: Power other devices through the power bank. For example: routers, USB lights, USB fans, radiators, 5V mini speakers, etc.
Package include:1pcs