Usb 20 connection cable for connecting a pcnotebookmac promacbook to a usb terminal device eg printer scanner external hard drive usb hub high speed data transfer rates of up to 480 mbps full metal plug for the best shielding against external interference 24 carat gold plated plug for improved contact quality and optimal signal transmission double shielding for optimal reduction of electromagnetic interference sturdy plugs and moulded strain reliefs high mechanical resistance suitable and test