Features: QC3.0 USB input, direct current is 5V-12V output, it can adjust the output voltage, the screen displays the output voltage, up to18W. Note that if it is a regular USB charger input, the output is only 5V and the output voltage cannot be adjusted. Mobile power supply that supports QC3.0 USB output, QC3.0 USB charger, and output voltage can only be adjusted. With this cable, you can connect your powerbanks to router, thus, when power cuts, you can use your QC3.0 USB powerbanks to supply your router. Suitable for use with 5V-12V product such as routers, cameras, LED lights, speaker, surveillances cameras, and car driving record etc. Specifications: Material: Plastic Color: Black Type: 3.5x1.35mm, 4.0x1.7mm, 5.5x2.1mm, 5.5x2.5mm(optional) Cable Length: Approx. 110cm/3.60ft Input: QC3.0 USB Output: DC5V- 12V(voltage adjustable) Output Power: up to 18W Input Port: standard USB2.0 male Output Interfaces: 3.5x1.35mm/4.0x1.7mm/5.5x2.1mm/5.5x2.5mm Plug (Inside the positive,outside the negative) Quantity: 1Pc Note: Other accessories demoed in the pictures are not included. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution. Package includes: 1x QC3.0 USB to DC5.5x2.1mm/5.5x2.5mm/3.5x1.35mm/4.0x1.7mm Adjustable Voltage Cable(optional)