[Multifunctional 6-in-1 Hub]: SZPACMATE USB C Hub has 4K @ 30Hz HDMI, USB 3.0 & 2.0, SD / TF card reader. The USB-C hub adapter is compatible with all devices with a Type-C / USB-C full-function interface connection, especially for Macbook Pro and Air. In addition, the USB-C HUB is small and very easy to carry, so You can solve the problem of a single laptop interface anytime, anywhere. [4K USB C HUB HDMI]: The USB C dock supports high resolutions of up to 4K 3840 x 2160 @ 30 Hz and streams 4K or Full HD 1080p videos directly to HDTV, monitors or projectors and is downward compatible with 2K / 1080p / 720p resolutions. Type C hub also supports OTG function, which allows you to transfer files / pictures / videos directly from the USB stick to your smartphone. Reminder: Supply power to the HUB via PD port while use HDMI to achieve perfect performance! [Super Speed Transmission]: USB 3.0 & 2.0 A ports support the connection of a maximum of 2 peripheral devices such as mouse, keyboard and hard disk, with USB 3.0 lightning-fast transmission speed of up to 5Gbps. 2 USB ports support simultaneous use, thus improving our work efficiency. [PD Fast Charge]: It is equipped with the latest generation of super smart chips, and the USB C port supports PD 3.0 / 2.0 fast charge. With an adapter with 100 W input power and 87 W output power, it is very suitable for MacBook Pro / Air or other USB C devices. It gives you extremely fast loading speeds and saves time. Your first choice for USB C hubs. [High Speed SD / TF Card Reader]: The SD / TF card reader makes it quick and easy to manage and back up data from your cameras, recording devices, etc. Each port is equipped with a separate processing chip for fast and stable connections. (Note: it can't read SD / TF cards at the same time. Insert two cards at the same time, it will only read one card)