【8 in 1 USB C Hub】The USB C HDMI adapter expands your device into a USB-C port (100W fast charging for your laptop), 4K HDMI port (one 4K@60Hz, one 4K@ 30 Hz), RJ45 Gigabit Ethernet, 2 USB 3.0 ports (up to 5 Gbit/s), SD/TF card reader port. With a simple plug-and-play connection, this USB C hub turns any MacBook or USB C compatible laptop into a mobile workstation. 【Triple Display & 4K Ultra HD Output】 The USB C docking station with HDMI port allows your USB C laptop to expand, dual display hub supports single and dual HDMI monitors up to 3840 x 2160 @ 30Hz or triple monitors up to at 1920 x 1080 at 60Hz. Three display modes are available (mirror mode, stretch mode and collage mode). Remark : Mac OS (Apple laptops) and Chrome OS do not support Extend Mode. 【Fast Charging】The USB C docking station provides a Type-C female port through which you can charge safely your MacBook or other Type-C laptop. 100W power supply is supported; the output power (load) is limited to 87 W for safety reasons.