4K HDMI Output: The USB C hub supports video output up to [email protected] for connecting it to a 4K TV or monitor for an immersive viewing experience. It's ideal for enjoying 4K videos, playing games, or delivering presentations. Please note that the HDMI port doesn't support Apple Macbook Pro 2016 and above. Plug and Play: No external power supply is needed for this USB C Hub. Simply plug it into your laptop's USB C port and it will be ready for use. No drivers or software installation is required. If you have any issues during use, please contact us for assistance. Multiple Devices: With this USB C Hub, you can connect multiple devices at the same time. The 4K HDMI port, 3 USB 3.0 ports, and Micro SD card reader all work simultaneously, allowing you to transfer data, charge devices, and display content without any hassle.