Ultraslim and compact design: ultraslim, compact and lightweight, designed to sit neatly on a desk or clipped to a laptop without adding bulk. Port set for versatile laptop expansion: 1x RJ45 Ethernet (100M); 1x HDMIcompatible port (4K x 2K); 1x TypeC port; 1x SD card slot; 1x TF/microSD card slot; 2x USB 2.0 ports; 1x PD100W fastcharging port for power delivery. Durable, quality construction: aluminumalloy housing with an integrated advanced chip and optimized heat dissipation for reliable operation. Reliable performance and safety: all ports can operate simultaneously without delays or interference, with protections against overcurrent, overvoltage, short circuit and temperature for security. Broad compatibility and practical use: designed to extend your laptop via USBC, supporting multiple peripherals and displays where supported, while maintaining data transfer and charging efficiency. Use scenario: on the go presentation setup Connect to a 4K display via HDMI for presentations, use wired Ethernet for stable network access, plug in USB peripherals, and pass through up to 100W of power delivery to keep your laptop charged during client meetings. Use scenario: home/office workstation expansion Add SD/TF card access for editing workflows, connect a wired network via RJ45, drive a 4K display, and use USB 2.0 devices for peripherals without swapping cables. Use scenario: content creation and transfer Efficiently transfer media from SD/TF cards to your laptop, output video to an external monitor, and power devices or the laptop as needed with USBC PD.