1、Memory card high-speed reading, solving the problem of scarcity of for Mac computer interface. 2、It can drive mobile hard disk, completely free of drive, and file transfer is super fast. 3、Multi-port docking station to get rid of the scarcity of the for Mac interface. 4、4K visual feast. The screen is connected to the display to restore the true color. 5、PD fast charge, with Type-C charging interface, keeping the computer fully charged. 1 x Docking Station Integrated Type-C Docking Station: Type-C to HDMI / VGA / card readerCompatible Models: For OS X, for Huawei Mate 10, for Samsung S8Connector A: Type-C MaleConnector B: HDMI standard male, VGA standard maleType: 3-port USB 3.0 hub to HDMIC-to-HDMI Converter: For Huawei Mate 10 Pro, for Samsung Galaxy S8/S8 +USB: USB 3.0Function 1: Type-C to HDMI converterFunction 2: USB C to VGA adapterMemory Card Reader: Support memory card simultaneous readingModel Name: Integrated HDMI VGAResolution: HDMI: 4K; VGA: 1080P