Official ASUS USB-to-40 pin data/charging cable for PadFone, SL101 Series, TF101 Series, TF201 Series, TF300 Series, TF700 Series, and their docks Genuine Original Asus 2-in-1 cable for charging power and transferring data Interface: USB to 40 pin data port, Fast transmission speed Compatible Models: Asus PadFone, SL101 Series, TF101 Series, TF201 Series, TF300 Series, TF700 Series, and their docks Light weight, convenient to carry and easy to use Approx. 3~5 feet length