Features: brand new and high quality USB DC 5V to DC 12V 5.5x2.1mm 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 8W). Specifications: Material: plastic Input Voltage: DC 5V Output Voltage: DC 12V Max Input Current: 2A Max Output Power:8W Input Interface: USB Male Output Interface: 5.5x2.1mm Plug (Inside the positive pole outside the negative) Color: Black Cable Length: approx. 118cm/46.46in Quantity: 1PC (other accessories in the picture is not included) Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x USB Voltage Step Up Cable