If you are using a laptop with limited number of USB ports, and/or without a built-in RJ45 ethernet LAN port, this Vention 3-port USB 3.0 hub with RJ45 gigabit ethernet LAN adapter could be a handy and useful companion for your laptop.
This gadget also has a micro-USB power in port for you to provide charging power from wall charging adapter or car charging adapter. It supports 5V/2A fast charging.
You might need to make use of this micro-USB power in port to provide additional power for charging your handphone and/or tablet with the USB 3.0 ports on the hub, or to power up certain external harddisk that requires a larger power to work.
Other than this 3-port USB 3.0 hub with RJ45 gigabit ethernet LAN adapter, Vension also has different range of similar products, such as USB-C hub, USB to audio port adapter, USB to 100 Mbps ethernet adapter, etc.
There is a cheaper Vention 3-port USB 2.0 hub with RJ45 100 Mbps ethernet LAN adapter that looks alike. I would recommend you to go for the USB 3.0 version with gigabit ethernet LAN adapter for much better performance. Don't buy the wrong version for a cheaper price!