NavePoint USB 2.0 Active Repeater Male to Female Extension Cable 25 Ft 2-Pack Black Compatible With PC Computers & Usb 1.0/2.0 Devices 28AWG data wire / 24 AWG power wire, Diameter: 4.2mm Nickel plated Top quality design and construction Buy with confidence - NavePoint offers a 30 day money back guarantee on this item.