Also available is ourUSB Active Extension Systemwhich can support distances of up to 56m. The LINDY USB Extension Cable uses built-in active electronics to extend the cable length of a USB 2.0 device by an additional 5m. Up to 5 extension cables can be chained together to achieve a distance of 25m. The cable\'s unique, slimline design allows the active electronics to fitted into a standard USB connector - an advantage over other active USB leads which use special, bulky connectors.