Massive Expansion -8-In-1 USB C HubThe usb c dongle extends your limited laptop port to 8 multifunctional ports, including RJ45 Ethernet, 4K@30Hz HDMI output port, 100W PD Charging port, SD card reader / TF card reader, USB 3.0 & USB 2.0 ports, and USB-C data port, allows you to keep a sleek workspace. Plug and Play, No Software, Drivers required.Ultra HD Video USB C Dock & Ethernet ConnectionThe HDMI port supports media displays at resolutions up to 4K@30Hz and perfectly mirrors or extends your screen to HDTV, monitor or projector. USB C HDMI Hub give you vivid 3D effect video Sync. Ideal for business conferences, presentations, games.The USB C dongle that Ethernet connection enables a faster and more stable wired network than Wi-Fi.Storage Expansion & Fast TransmissionTF /SD 3.0 card slots support different memory card formats(such as SD, SDHC, Micro SD, MMC, SDXC), up to 104Mbps reading speed. USB 3.0 & USB 2.0 and USB-C data ports enable you to transfer music, movies, and large files. Hub usb A has two ports, the transmission speed of 3.0 is 5.0Gbps, the speed of 2.0 is 480Mbps, can meet your different needs, compatibility and high-speed transmission 2 in 1. Give you more choices and save your money simultaneously.100W Fast PD Charging & Heat DissipationThe 100W PD port offers a continuous charging speed up to 92W (device consumes 8W, without data function) for MacBook or iPad Pro. Build-in advanced chips, aluminum alloy material, vents, offer a quicker heat dissipation to protect your devices.