USB 2.0 Extension cable 20M, Cystal blue design, Gold-plated interface,antioxidant,Corrosion resistance Features:1.Usb specification 2.0 compliant,2.Support full speed ... high speed,3.USB 1.1 and USB 2.0 compatible,4.Supports RS232 series interface DB95.Supports over 1Mbps data transfer rate,6. ... XP/VISTA/WIN7/Mac system or higherAccessories5v power 20m USB 2.0 Extension cable,usb A male to usb A female ...