Massive Expansion: Expand your MacBook's 2 USB-C ports into 1 USB-C Power Delivery input port, 2 USB-A ports, 1 HDMI port, 1 Ethernet port, 1 SD card slot, and 1 microSD card slotall from one ultra-compact hub. High-Speed, High-Def: USB 3.0 Port with 5Gbps super speed data transfer, Transfer files in seconds; Convenient access to files from SD and Micro SD Card. HDMI port supports media display at resolutions up to 4K@60Hz.