3M Usb A/A Extension Cable. Extend The Distance Of Your Usb A/B Cable. The Future Of Computer Connectivity Is Here, With Usb Cables From Cables To Go. 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.