USB Male A 5V to 12V DC 5.5mmx2.1mm Step Up Power Supply Cable Universal Charger
1 X USB DC 5V to DC 12V 2.1x5.5mm Male Step-Up Adapter Cable. Output Interface: 2.1x5.5mm Plug (Inside the positive pole outside the negative). Input Interface: USB A Type Male. For other 12V Device (power Less than 6W 600mA).