For connecting a usb stick to devices with a host compatible usb micro b socket eg archos 7 home tablet samsung galaxy s ii s iii s4 high speed data transfer of up to 480 mbps gold plated plug with low contact resistance for secure signal transmission double shielding for good reduction of electromagnetic interference the inner conductor is made of copper which ensures best transmission properties sturdy plugs and moulded strain reliefs high mechanical resistance suitable and tested for usb 20 b