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This USB 2.0 A Male to DC 5.5x2.1mm male power cable provides stable 5V power output, perfectly converting USB port into DC barrel power supply. The 11-inch moderate length meets daily wiring and layout needs without redundant clutter. Made of high-quality conductive core and durable outer casing, it features stable current transmission, wear resistance and excellent anti-aging performance. It is widely applicable for tablets, car electronic dogs, access control systems, attendance machines and other small electronic devices with DC 5.5x2.1mm interface. Comes with 2 packs, convenient for backup and replacement at home, office and workshop.