Features: - Brand new and high quality - Made of high quality material, durable - The difference between the three lines: - 5V direct connection: simple power cord, USB input is 5V, power DC plug output is 5V - 9V boost line: with a boost element, the USB input 5V voltage passes through the element, boosted to 9V voltage 0.8~1A - 12V direct connection: with a boost element, the USB input 5V voltage passes through the element, boosted to 12V voltage 0.8~1A - With this data cable, you can connect the power bank to the router. So when there is a power outage, you can use a mobile power supply to power the router - Using this data cable, you can power your car air purifier through a power bank - usb line usb to dc5.5*2.1mm charging line power line port 9v/12v pulse line usb line - When carrying treasures to power other devices. Such as: routers, usb lights, usb fans, radiators, mini speakers, etc... Product parameters: - Length: about 1M / 3Ft - Colour: Black - Output interface: 5.5* 2.1mm DC plug - Input voltage: DC 5V - Output voltage: DC 9V - Maximum input current: 2.1A - Output voltage: DC 12V Package Included: 1 * Boost Cable (Optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. USB 5V to 12V Boost Step Up Power Supply Cable Converter Interface 5.5*2.1MM Materials: Made of high quality materials, robust and durable, safe and convenient to use. Size: matched to the corresponding model to match your working tool needs, check if it is the size you need before you buy. Function: This is a good companion you need on your tools, giving you a more convenient working life, in case you are busy indoors and outdoors Satisfaction guarantee: Your purchase is fully protected when you order today. If you are not satisfied with with our products, contact us any time, We will get you back within 24 hours try our best to make things right.