1、12‑in‑1 USB C hub, Convert a single USB‑C port to 1 x Gigabit for Ethernet port, 2 x for HDMI ports, 1xVGA port, 4xUSB 3.1 Gen 1 (USB 3.0) ports, 1xUSB‑C Data port, 1xAUX port and memory and micro memory card slots. 2、Ultra for HD 4K output and triple display: Use for HDMI or VGA port to mirror or expand the screen of a USB‑C laptop to stream 4K UHD or Full for HD 1080P video. Three‑screen display: one screen displays for HDMI output, one screen displays for HDMI or VGA, and one screen laptop. Please note that for Windows systems support for MST, and for OS does not support three‑screen display. 3、The USB power transfer port supports up to 100W of power transfer to completely charge your for OS X Pro or other compatible laptops (using the original power adapter of the device) when you use all the other functions of the hub. It takes approximately 2 hours to completely charge a 15‑inch for OS X Pro with a USB‑powered port. 4、Easy data transmission and for network connection, 4 USB 3.0 ports and USB‑C data ports support data transmission rates up to 5Gbps. Support memory and micro memory card slots. Gigabit for Ethernet port can support 10/100/1000Mbps for network speed anytime and anywhere. 5、High‑end appearance, aluminum alloy material, showing the luxury. Multiple interfaces to meet your needs.