Extended connection ports: most computers and devices only have a limited number of USB ports, while USB hub can extend one port to multiple to accommodate more USB devices.
Convenience: by using USB hub, you can connect multiple devices to a centralized location, making devices easier to access and manage.
Connect multiple devices: USB hub can connect multiple types of USB devices at the same time, such as mouse, keyboard, printer, external hard disk, flash drive, camera, etc.
Reduce plug Times: Using USB hub can reduce frequent plugging and unplugging of USB devices, thus reducing the wear of USB interfaces.
Charging Devices: Some USB hub also have charging function, which can provide charging for smartphones, tablets and other mobile devices.