UNMCORE SuperSpeed USB 3.0 Male Type A To Female A Extension Cable (4.5Ft-1.5M) - Black Full-duplex data transmission support for new transfer types in the future. Increased device current draw to better provide power for High power demand devices. More Power efficiency Fully backward compatible with USB 2.0 devices and computers, Perfect for External Hard Drives, TV, Printers for USB Extension. Convenient and cost-effective 2-pack USB 3.0 extension cords provide spare or replacement USB 3.0 cables (male to female) to keep at the desktop, or in your accessory bag Premium USB 3.0 repeater cable engineered with molded strain relief connectors for durability and grip treads for easy plugging and unplugging. Hassle free 1 year warranty with UNMCORE Retail.