USB? C 5? in? 1 Hub with HDMI and SD Card Readers for universal compatibility with laptops and smartphonesSupports devices such as (2016/2017/2018) MacBook Google Chromebook Surface Book and S8/S9UHDMI port delivers vivid 4K output (3840x2160@30Hz) and supports lower resolutionsTwo USB? A 3.0 ports provide data transfer speeds up to 5Gbps and backward compatibility with USB 2.0I ntegrated SD and Micro SD card reader with automatic priority based on insertion order