1.USB 3.0 have all the advantages of USB 2.0
plug and play
2.Compatible with PC, mobile phones, digital cameras, printers and so on.
3.USB 3.0 is compatible with USB 2.0 & USB 3.0 transmission of two specifications.
4.Compared to USB 2.0, transfer speeds are greatly improved to 5Gbps, and is much higher than the current 1394b maximum 3.2Gbit / s.
1 30CM/ 1.2M /1.8M/3MHi-Speed USB 3.0 AM TO AM Extension cable
white port cable it mean is USB 2.0 cable and blue port cable it mean is USB 3.0 cable