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 ... /WIN7/Mac system or higherAccessories5v power 20m USB 2.0 Extension cable,usb A male to usb A female cable