USB – Type A

The most familiar USB connector to the average consumer, with its classic rectangular port and pin connectors on the bottom side. With this configuration, the connection will only work if the cable is inserted correctly. Though USB-C has introduced a downturn in use for this old standard, it is still common to see USB Type-A ports on newly released devices due to the countless number of peripherals that still use this connection type. ( source:https://visiontek.com/).