Features: USB for DC 5V to for DC 12V 2.1x5.5mm Male Step-Up Converter Adapter Cable. 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. Use this cable, you can supply your car air purifier LED strip light by power bank. Safe & Reliable,our voltage adapter provides your devices perfect protecetion from over-current, over voltage, overload or short circuit. For other 12V Device (power Less than 6W 600mA). Specifications: Input Voltage: for DC 5V Output Voltage: for DC 12V Max Input Current: 2A Max Output Power:6W Max Output Current: 600mA(For 600mA or less application is recommended) Cable Length: Approx 1M/3Ft Color: Black Input Interface: USB A Type Male Output Interface: 2.1x5.5mm Plug (Inside the positive pole outside the negative) Quantity: 1PC (other accessories in the picture is not included) Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 4.No retail package Package includes: 1 X USB for DC 5V to for DC 12V 2.1x5.5mm Male Step-Up Converter Adapter Cable