Reliable and fast data transfer. 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! Internet blackout solve baby, continuous power supply Artifact Use mobile power,charging treasure or notebook usb interface Drive after a power outage or optical router online Via computer USB to power other devices. Such as: USB lights, USB fan, Cartoon watches, radiator, 5V mini speakers, USB HUB, etc. Interface: USB transfer DC5.5 * 2.1MM(2.5MM) Input voltage: DC 5V Output voltage: DC 9V and 12V Max Color: Black Material: ABS Output current: For 800mA or less application is recommended Package Contents: 1 X Conversion Line Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.