How to distinguish USB TYPE C
USB 3.0 is the third major version of the Universal Serial Bus (USB) standard for interfacing computers and electronic devices. USB 3.0 adds the new transfer rate, up to 5 Gbit/s (625 MB/s), ten times as fast as the USB 2.0 standard,distinguish USB 3.0 connectors from their USB 2.0 counterparts by blue color-coding of the receptacles and plugs.
USB 3.1, was released in July 2013, whilst defining new transfer rate up to 10 Gbit/s (1.25 GB/s, twice the rate of USB 3.0)
USB Type-C is a specification for a 24-pin reversible-plug connector for USB devices and USB cabling. It was published by the USB Implementers Forum.Developed at roughly the same time as the USB 3.1 specification, but distinct from it, the USB Type-C Specification 1.0 defines a small reversible-plug connector for USB devices.