USB hub-- allow you to connect USB peripherals, such as keyboard, mouse, u flash drive to laptop.
Audio adapter-- charging your laptop via type-c charging port while connecting multiple peripherals and transferring data.
Type c to USB 3.0-- accessing your media is easy with the hub and no drivers are required.
USB a hub-- provide USB 3.0 ports, supporting up to 5 transfer speed.
Ethernet adapter-- USB type c pd ports, to provides you the possible performance.