1、Instant Expansion: The USB C splitter can add 1 x High Definition Multimedia Interface port, 2 x USB A ports, 1 x micro storage card slot, 1 x storage card slot, plug and play, no driver or external power adapter required 2、5Gbps Speed: 5Gbps speed transfer and backup your files through 1 x USB 3.0 port. Using another USB 3.0 port, such as a mouse, keyboard, to instantly convert the USB C port of any device to USB 3、4K Video Output: The USB C splitter can mirror and expand your screen through the High Definition Multimedia Interface port, and stream 4K UHD at 30Hz or Full HD 1080P video directly to HDTV, monitor or projector 4、Storage Card Support: The storage card slot supports almost all storage card formats for quick and easy access to photos and other media, which is perfect for photographers and designers 5、Wide Compatibility: Compatible with 2018/2017/2016 for OS X Pro, for 2017 for OS X, 2017/2016/2015 for OS X, for HP Envy 13, for Pixelbook, for Galaxy Book, for Galaxy S8, for S9, for S8 Plus , for S9 Plus, for Note 8, for Note 9, for Dell XPS 15, for XPS 13, etc