This is a metallic multifunctional USB-C hub, which can extend the USB-C port on your laptop. 2 HDMI ports can be extended.
Features
2 HDMI can work simultaneously
HDMI output: 4k2k@60Hz (work separately)
HDMI will be 4k2k@30Hz if 2 HDMI work simultaneously
Support mirror and extend and split mode
Comply with USB-C interface specification
Built in conversion chip, plug & play