This USB C hub to dual HDMI 4K 60HZ docking station is designed for laptops and mobile devices with USB C interface. It supports two modes: same-screen and expansion. The same screen mode displays the same content on the computer and HDMI monitor, while the expansion mode displays different content. The HDMI maximum support Ultra High Definition 4K (3840 x 2160, @60Hz) resolution output. It is compatible with Windows and macOS systems and can be applied to watching video, video teaching, meeting projection, and other scenarios.