Features Expand the connectivity of your laptop or Mac Book with this USB-C multiport adapter with HDMI USB C video adapter adds essential ports connecting your USBC or Thunderbolt 3 laptop to a 4K HDMI display and a USB 3. 0 device USB C all in one adapter supports USB Power Delivery (up to 60W) to power and charge your laptop The USB Type C multiport adapter provides a portable docking station for laptops USBC to 4K HDMI adapter supports 4096 x 2160 resolution at 24Hz or 3840 x 2160 @ 30Hz