Features: 8-in-1 Massive Expansion: expanding a USB-C port into an HD video output port, a Gigabit Ethernet port (RJ-45 port), a USB-C charging port, 2 USB 3.0 ports, a USB 2.0 port, a SD card slot and a TF card slot. 4K HD Output: enjoying beautiful, high-resolution display by simply connecting this high definition multimedia interface cable with a 4K monitor. Gigabit Ethernet port gives you access to superfast network and automatically adapts to 10M / 100M / 1000Mbps network transmission. High Transmission Speed: dual USB 3.0 ports support data transfer rate up to 5Gbps and USB 2.0 port up to 480Mbps. SD / TF card slot supports memory card capacity up to 512GB and read / write speed up to 104MB/S. USB Type-C charging port provides 87W of high power delivery(Only for laptop charging). Widely compatible for Windows 7 / 8 / 8.1 / 10, macOS X v10.0 or above operating systems. Compact Design: extremely compact design makes it portable and saves desktop space. Note: SD card slot and TF card slot can not be used simultaneously.