There are a few ways to differentiate USB 2.0 and 3.0 ports and connectors. The easiest way is to check if the USB port has a splash of blue color inside, which signifies the newer USB 3.0 interface.

You might have seen this type of charger on some of your newer devices. It's a USB-C cable. USB-C is great. It can transfer data, power, video, audio, and it's not limited to one manufacturer ...