The USB2.0 interface has the characteristics of faster transmission speed, support for hot swap and connection of multiple devices. In theory, the transmission speed of USB1.1 can reach 12Mbps, while USB2.0 can reach a speed of 480Mbps, and it can be backward compatible with USB1.1.
1. Can be hot swapped
2. Easy to carry
3. Uniform standards
4. Multiple devices can be connected