9-IN-1 USB C Hub: USB C docking station has perfectly combined most functions you need, includes 4K HDMI, PD 100W Charging, 3 USB 3.0 5Gbps, 2 USB 2.0, SD/TF 3.0 Slots. USB-C Cable Length is about 19.7". Long enough to connect your laptop HDMI 4K@30Hz: intpw usb hub for laptop can stream 4K@30Hz video to HDTV, Monitors or projectors via HDMI port, ensuring an immersive 3D visual experience for you. (Note:The host USB-C port on your device must support Display Port Alt Mode)