Type-c expansion port - features Type-C pass-through charging, 4K HDMI (30Hz) video transmitting, Gigabit Ethernet, micro/SD card reader slots, micro USB port and triple USB 3. 0 ports Hd HDMI video - Support high resolution output display to your HDMI-enabled external monitor or other devices, up to 4K quality 30Hz. Note: HDMI port supports only devices with display Port over USB-C with alternative mode. Usb-c pass-through charging - Support fast charge your Type-C laptops while using other USB ports simultaneously. Important Note: USB-C charging feature only supports devices with USB Power Delivery protocol 2. 0 and higher (Max 49W power output) Gigabit Ethernet - Speed up and stabilize your internet access to a wired network connection via this Type-C to Ethernet port . Especially designed for Type-C devices - MacBook and/or Pro, MacBook Air, iPad Pro, Chrome book (only models with DisplayPort over USB-C with Alt mode), ASUS Transformer 3 Pro, Dell XPS 12 9365 and newer, HP Elite x2, Spectre x360 13, 15, Pro convertible, Lenovo IdeaPad 720s, ThinkPad T470, T570, x1 Yoga, 720, 920, Microsoft Surface go/Pro/book 2, Razer blade Stealth, Samsung Galaxy Tab Pro S and more USB-C supported devices with power Delivery protocol . Usb-c hub, 8-in-1 adapter 4K HDMI, Gigabit Ethernet, SD/micro Card readers, USB 3. 0 - compatible with MacBook Pro and more, space Grey.