There are three main types of USB connectors these are type A, B and C. USB types A and B can also be broken down into subcategories. Full size, known simply as Type A and Type B, USB Mini A and Mini B which have a smaller size body and Micro A and Micro B which are the smallest USB type. All these types come in two speeds USB2.0 with speeds of 480Mbp/s and USB3.0 which usually has a blue colour within the connector and transfer speeds of 5Gb/s. There is also a style of connector called USB Micro B Superspeed which is a larger dual style connector specially designed for higher speeds. The newest and fastest type of USB is USB 3.1 Type C which has a transfer speed of 10Gb/s.