about this project [Widely Compatible Multifunctional USB C Hub]: USB-C expansion hub for M1 Mac, MacBook/MacBook Pro 2016 or later, Mac [Ultra HD 4K Output]: Mirroring or extending the screen is now possible, giving you an unprecedented visual experience. You can easily stream your screen directly to your HDTV, monitor or projector, greatly increasing your productivity. It supports HDMI display up to 3840×2160@30Hz. [3 USB Ports for Full Connection and SD/TF Card Reader]: TOTU USB hub provides 2 USB 3.0 ports and 1 USB 2.0 port for fast transfer speed, data transfer up to 5Gbps (USB 3.0). The USB ports are used to connect USB peripherals such as flash drives, hard drives, keyboards, mice, printers, etc. Equipped with SD/TF dual USB 3.0 card reader, data transfer speed up to 104Mb/s. The dock supports up to 100W of power input and provides up to 100W of safe fast charging for connected laptops. [Slim and Portable Design]: The USB Type-C hub comes in a ready-to-use design. With an aluminum look casing, you can slip it in your pocket, perfect for business trips or travel.8 in 1 Multifunctional USB C Docking Station 1 HDMI port can easily mirror or extend displays with resolutions up to 4k@30Hz.1x - PD port helps to charge your Mac - Book/Laptop during work. - SD and 1x - TF built-in card slots access your SD and Micro SD files in seconds.2 USB 3.0 ports and 1 USB 2.0 port connect your USB peripherals for super-speed data transfer. - Port Alt Mode. Will not work for laptops that only have their own USB A port.