At IDF Intel China both sided USB socket images and data are released. The new type C has changed with new specifications. The 3.1 Type-C will not be compatible with the older versions.
No more flipping of USB pin until it fits into the socket. The reversible design means we will be able to connect a Type-C cable without worrying about the plug’s orientation or the cable’s direction.
More on new Type C :
According to TheVerge.com, full specifications have still not been decided yet.