1、4K AND 1080P DISPLAY SUPPORT: The USB 3.0 to HD Multimedia Interface adapter easily multitasks, mirrors, or expands your computer's display workspace, allows you to simultaneously connect the screen 4K 30Hz x 2+1080P 60Hz x 2. 2、4 DISPLAY EXPANSION: Transform your laptop or desktop into a powerful workstation by adding up to four HD Multimedia Interface displays. Whether working, gaming, or streaming, enjoy a more immersive experience on external UHD screens. 3、MULTI SCREEN MANAGEMENT SOFTWARE: Enhance your workflow with the provided software that supports multitasking and window arrangement. Drag and drop the window onto the selected display to zoom in out and split zoom 4、HIGH SPEED DATA TRANSFER: Equipped with a Type C 3.0 port, this adapter transmits files at speeds twice as fast as USB 2.0, allowing you to transfer a 5GB movie in just 1-3 seconds, making it ideal for quick file management. 5、WIDE COMPATIBILITY: The USB C to HD Multimedia Interface hub is compatible with a variety of operating systems, including for Wins 11 10 7 8.1, for OS X 10.10 and above, as well as for Android 7.1 and higher, ensuring versatile usage across different devices. Item Type: 4 Ports Docking Station Material: Aluminium alloy HD Multimedia Interface out2 and HD Multimedia Interface out4 Resolution: Maximum support 4K 30hz HD Multimedia Interface out1 and HD Multimedia Interface out3 Resolution: Maximum support 1080p 60hz Sound Format: Stereo Input Cable Length: ≤3 meter / 9.84ft USB Standard Cable HD Multimedia Interface Cable: 4K at. 30hz; 1080p at. 60hz≤32.81ft AWG26 HD Multimedia Interface Standard Cable 1 * High Definition Multimedia Interface Adapter 1 * Power Adapter 1 * USB Cable 1 * User Manual