Features: 12 in 1 USB C hub --- Aluminum USB-C hub connects instantly: 1x 3.5mm audio jack, 1x SD card slot, 1x gigabit Ethernet port, 1x USB Type-C data port, 3x USB 3.0 port, 1x HDMI port, 1x VGA port and 1x USB Type C PD interface for Mac Pro Air or other USB-C devices. ** Note: Multi screen technology is not supported by MAC OS i.e. all external displays will show the same image USB 3.0 ports and SD/TF cards --- USB 3.0 ports/SD/Micro SD data transfer rate up to 5Gbps, allows you to quickly upload and download photos, videos, music and other files, and connects keyboard, mouse, thumb drive to your laptop. The 2 cards built into SD and micro SD slots support simultaneous reading. Speeds up to 1000 Mbps Ethernet port --- 1000 Mbps provide sufficient bandwidth for home or small office data transfer requirements. Faster and more stable than wifi network. This is the ideal solution for connecting a computer without an Ethernet port. USB C to Dual HDMI & VGA --- Docking Station supports Mirror Mode (SST) and Expansion Mode (MST). In mirror mode, all monitor image will be the same. In expansion mode, the images of these three monitors are different from the original monitors. Single HDMI output: 4K 60Hz (Note: On Mac devices, all external monitor images are the same). Dual HDMI output: 4K @ 30Hz (only one HDMI support 4K 60Hz, second support 4K @ 30Hz). Dual HDMI and VGA output: 1080P 60Hz. Practical laptop coolant design --- Provides a strong aluminum enclosure and high strength cable hub with additional durability. The USB-C hub's thin and compact base dock design enables heat dissipation properly while cooling your laptop at the same time. Heat dissipation property due to winding design enables free air flow Specifications: Material: ABS + Aluminum Alloy USB transfer rate: 5Gbps/400Mbps USB-C PD: PD3.0, maximum 20V/5A Type-c PD port for headphone and headphone speaker: support 60W PD charger (maximum) SD/TF digital Card: up to 5gps,support card to 2TB RJ45 network port: 1000M network card, 100M network card , 10M network card. VGA resolution: 1080p, support simultaneous display. Support HDMI + VGA, the resolution is 1080P. Support HDMI resolution: 4K * 2K 3840 * 2160 @ 30Hz 1080p @ 60Hz. Support HDMI + VGA support display, the resolution is 1080P Packing list: 1* USB Type C hub