USB Male A 5V to 12V DC 5.5mmx2.1mm Power Supply Universal Charger Step Up Cable
USB 5V to 12V step-up cable. 1 X USB 5V to DC 12V Adapter Cable. The size of the for DC Connector is OD: 5.5 mm and ID: 2.1 mm. 5.5mm x 2.1mm DC jack adapter. Input Interface: USB A Type Male. LED strip light USB power adapter.