Brand New USB C Hub Adapter 4K HDMI USB3.0 SD for PC Macbook Windows - For Macbook, Newer Thinkpad, HP Spectre, DELL XPS, Microsoft Surface, Chromebook PCs - 8-in-1 - Can still charge device during use - 4K HDMI Output - 4x High Speed USB 3.0 Ports - SD Card Slots - Thunderbolt 3 4K High Definition: This Hub supports mirroring of what is displayed on your laptop to your HDMI-equipped devices with the resolution up to 4K@30Hz. Allows you to enjoy amazing ultra HD resolution on a big screen. High Speed Card Reader: Designed with SD card slots (Working at the same time) Fast Data Transfer: USB3.0 transfer data speed up to 5 Gbps, which is much faster than USB2.0. Transfer data and stream movies from your external storage devices very quickly.