... USB 2.0 Extension cable 20M, Cystal blue design, Gold-plated interface,antioxidant,Corrosion resistance Features:1.Usb ... speed,3.USB 1.1 and USB 2.0 compatible,4.Supports RS232 series interface ... cableModel NoDT-5028Length20mColorTransparent crystal blue PVCFunctionConnect usb devices as long as 20mChipsetTaiwan original ... higherAccessories5v power 20m USB 2.0 Extension cable,usb A male to usb A female ...