A/A cables are designed to extend the reach of your existing USB A/B cable. Foil and braid shielding reduces EMI/RFI interference and twisted-pair construction helps reduce crosstalk thus ensuring high-speed error-free data transfer. Connectors: USB Type A Male to Type A Female. PC and Mac compatible. Extend the distance of your existing USB A/B cable. Designed for use with low speed low power devices only. Not for use beyond a total extended single length of 5M. For longer lengths or high-power devices use the Cables To Go Active USB Extension.