Its usb data cable for samsung smartphone that applied the interface of usb 3 0 if you want to enjoy reliable power management and faster transmission speeds try the usb data cable 3 0 in order to maximize the efficiency of data transmission of smartphone and pc that support usb 3 0 interface you just use the usb data cable and there are two ways of charging your smartphone with the usb data cable 3 0 one is using an adapter or desktop pclaptop that supports the charging usb 2 0 int