Function: 1. Small and easy to use design, easy to carry USB Type-C hub, easy access do favorite USB devices. 2. 4k HDMI video display. Use the HDMI port to transfer a clear HD image to your 4K monitor screen. For a clear image, simply connect the HDMI cable from the Pro Hub Adapter do an external monitor. 3. 8-in-1 multiport design, expand your Type-C port. With 3 USB 3.0 ports, SD and Micro SD card slots, RJ45, PD charging port, 4K HDMI video output. 4. Ethernet adds a high-speed wired do network connection to the Type-C device, providing stable do Internet access. 5. Easy to use, no software, drivers or complicated installation process. It can support Windows XP/Vista/7/8/10 Linux for Mac OS 9.1 and later. Specification: Characteristics: 1. Small and easy to use design, easy to carry USB Type-C hub, easy access do favorite USB devices. 2. 4k HDMI video display. Use the HDMI port to transfer a clear HD image to your 4K monitor screen. For a clear image, simply connect the HDMI cable from the Pro Hub Adapter do an external monitor. 3. 8-in-1 multiport design, expand your Type-C port. With 3 USB 3.0 ports, SD and Micro SD card slots, RJ45, PD charging port, 4K HDMI video output. 4. Ethernet adds a high-speed wired do network connection to the Type-C device, providing stable do Internet access. 5. Easy to use, no software, drivers or complicated installation process. It can support Windows XP/Vista/7/8/10 Linux for Mac OS 9.1 and later. Technical data: Material: Aluminum Alloy Color: Grey Size: approx. 10,5*5*1,6 cm/4,13*1,97*0,63 inch 18,5*8,3*2,9 cm/7,28*3,27*1,14 inch Interface: HDMIType cRJ45 USB3.0*3SDTF List of packages: 1 * Adapter