GadKo USB 2.0 Printer/Device Cable, Black, Type A Male to Type B Male, 1 foot GadKo is the only authorized dealer of GadKo branded products. This is a black 1 foot male to male USB 2.0 cable with one A-type connection and one B-type. These are more commonly known as USB Printer/Scanner/ Device Cables. Type A is typically the style of connection found on the backs of PCs. Type B is the smaller square connector typically found on devices such as: printers; scanners; external hard drives and USB hubs. USB 2.0 cables are backwards compatible as they can carry a USB 1.0 and 1.1 signal. The maximum length for a single USB cable is 15 feet. To get more than 15 feet you will need to boost the signal with a repeater Cable or Hub.