This is 5-in-1 USB-C Hub, which feature with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a 100W PD-in port. It is very convenient for travelling. Supports up to 85W pass-through charging so you can power up your laptop while you use the hub HDMI support 4K/30Hz to extend the display. USB-A and USB-C support to extend external devices, such as mousers, keyboard, hard drive, etc..