USB 2.0 is a standard for connecting devices to computers and other electronics. It allows for faster data transfer compared to its predecessor, USB 1.1, with speeds of up to 480 megabits per second. This means you can quickly transfer files between devices like flash drives, printers, and cameras. One of the great features of USB 2.0 is its versatility. It can connect a wide range of devices, making it easy to use with many gadgets. Additionally, it supports both data transfer and power supply, allowing devices like smartphones to charge while connected to a computer.