SF Cable 3ft USB 2.0 A Male to B Male Cable Black USB A to B cables are used to connect from your USB port on Hub, PC or Mac to your USB device such as printer or scanner Transfer rates up to 480Mbps depending on USB version Make plug and play connections for such devices as keyboards, mice, modems, printers, and other USB peripherals PC and Mac compatible. USB1.1 backward compatible Lifetime Warranty