This Maplin Premium USB-A 2.0 to Mini USB Cable uses USB A 2.0 and mini USB B 2.0 connectors. Itis mainly used to connect a large range of devices to a desktop or laptop using USB A ports. You could connect the cable to your digital camera, giving you the ability to transfer images. Alternatively, it could be used with an external USB hard drive to provide extra storage for your computer or laptop. It is also ideal for use with a USB hub to provide extra USB ports for your computer. The USB cable provides a maximum transfer rate of 480Mbps when used with a USB 2.0port. Power can also be provided through the USB cable in compatible devices.