Expands a single USB-C port from your notebook or laptop computer into multi-function outputs with USB hub, HDMI and USB charging port to increase efficiency and productivity Adds a USB hub with three ultra-fast 5Gb/s USB Type-A ports for multiple device connections One HDMI port to connect a HDMI display or TV and supports Ultra HD 4Kx2K resolution to deliver stunning and crystal clear images/video One USB Type-C Power Delivery up to 85W charging port to let you keep your computer fully powered Compatible with USB Type-C port with DisplayPort signal and Power Deliver (PD) protocol enabled computers such as MacBook and Google Chromebook Pixel Compact and lightweight to travel with, no external power adapter is needed Plug-n-Play, no driver installation is required