The 20Port USB HUB 2.0 is an external power hub that offers convenience and functionality for various devices. It is compatible with industrial PCs, Macs, tablets, and laptops, making it a versatile accessory for both personal and professional use. With its multiple USB 3.0 ports, it allows for high-speed data transmission and charging capabilities. The hub also features an external power BC1.2 charging port, which enables fast charging for compatible devices.