Turn 1 USB-C port into 2 x USB-A, 1 x USB-C, 1 x HDMI and 1 x SD and Micro SD Connector, 1 x Gigabit Ethernet port, fullfill all your need. 4K HDMI Display - HDMI port through USB3.1 VESA Alt. Mode supports max. resolution up to 4K@30Hz in both mirror and extended mode, providing a perfect visual experience. 1 x USB 3.0 Type-A port supports 5Gbps data transferring, backward USB2.0 compliance. 1 x USB 2.0 Type-A port provides more USB peripherals (keyboard, mouse, etc.) expansion for PC computer. 1 x individual R/W USB3.0 SD and Micro SD Card Reader support SD V1.0/ v1.1/ v2.0/ V3.01 and V5.0, SDHC/ SDXC (Capacity up to 2TB). 1 x Gigabit Ethernet provides a fast reliable wired connection. 1 x USB-C port supports Power Delivery max. 100 watts upstream power charging to PC. Aluminum alloy has a stronger heat dissipation effect, ensure security and reliability. Mini lightweight design free you from the clutter of desk, you can easily take it into pocket/bag on the go.