The flat charging port of the mobile phone is called the USB interface, which is divided into two types. One is a Micro USB interface, and the other is a Type-C interface.
USB (Universal Serial Bus2.0, Universal Serial Bus) is a new interface technology applied in the computer field. USB interface has the characteristics of faster transfer speed, support for hot swap and connect multiple devices. At present, it has been widely used in various external devices.
The flat-port charger is called typec, Type-C has a much smaller volume than Type-A and Type-B, and is the latest USB interface shape standard. In addition, Type-C is an interface Type that can be applied to both the PC(master device) and external devices (slave devices, such as mobile phones), which is epoch-making.
The flat one is called the Android cable.