Multi-Port Adapter 4K adds additional connections to your laptop/desktop.. Featuring a slim profile and sleek aluminum finish.. This adapter is portable enough to take with you on-the-go.. Quickly transfer documents, video and music files at USB3.0 speeds. 4K HDMI Video Output: Use the Multi-Port Adapter's 4K HDMI port to output video from your computer to a 4K monitor. If your computer supports 4K you can enjoy beautiful, crisp high-resolution displays by simply connecting an HDMI cable from your Multi-Port Adapter to a 4K monitor. Please note when changing video signal source, your monitor may flicker for a few seconds. Normal operation should resume within 5 seconds. Pass-Through Charging: Don't worry about sacrificing your Type-C port, with the included pass-through charging, you can easily charge your Type-C device while using the other included outlets. MacBook 2016 power output 49W. Sleek & Compact Design: Featuring a slim profile and sleek aluminum finish, this adapter is portable enough to take with you on-the-go, wherever you go. Additional Expansion Ports: With two USB Type-A ports, the Adapter has plenty of room for your additional peripherals. Quickly transfer documents, video and music files at USB 3.0 speeds of up to 5 Gb/s | Macbook Satechi USB Type-C Multi Port Adapter Hub - 4K HDMI in Silver