USB3.1 brings many improvements to the previous standard USB3.0. The most noticeable is the new Type-C connector which is much smaller than the previous standard connectors, it is also reversible.
Another feature is called “Alternative Mode
Supports USB-C input and VGA output
Flexible USB Type-C Switching
Supports DisplayPort 1.2 Altmode
Supports per lane data rates of 2.7Gbps (HBR) and 1.62Gbps (RBR)