Application: 1. When standard USB input is 5V, the 5.5x2.1mm port output is 5V. When QC3.0 USB input is used, the 5.5x2.1mm output is 12V. Your USB adapter must support QC3.0 output; standard USB input will output 5V and cannot step up to 12V. 2. With this cable, you can connect your power bank to a router. In the event of a power outage, you can use your QC3.0 USB power bank to power your router. 3. Use this cable to power your car air purifier, LED strip light, or other compatible devices from a power bank. 4. Suitable for 12V WiFi routers, pet lights, switches, and other 12V devices with power consumption under 18W. Specifications: - Input Voltage: 12V QC3.0 USB charger - Output Voltage: DC 12V - Output Current: 1.5A max - Max Output Power: 18W max - Cable Length: Approx. 100cm - Color: Black - Input Interface: Standard USB 2.0 male - Output Interface: 5.5x2.1mm plug (positive center, negative outer) - Quantity: 1 piece (other accessories not included) Note: 1. Conversion: 1cm = 10mm = 0.39 inch 2. Please allow 0–1cm error due to manual measurement. Ensure you are comfortable with this tolerance before purchasing. 3. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package Includes: 1 x QC3.0 USB to DC 12V 5.5x2.1mm Male Step-Up Converter Adapter Cable