Kensington CV4000H USB-C 4K HDMI Adapter, Certified by Works With Chromebook

Key Features and Benefits:

• 4K Ultra HD
  Video expansion to a monitor, TV or projector via the crystal-clear resolution of 4K Ultra HD at 30fps. It's also backward compatible with 1080p full HD so you can just as easily connect to legacy monitors.
• Extend or mirror modes
  Extend mode allows you to drag an open application to an external monitor so you can work across multiple screens, while Mirror mode allows you to replicate the content that's on your computer display to an external screen.
• Thunderbolt 3 compatible
  Can connect to laptops and tablets that have Thunderbolt 3 ports.
• Plug & Play
  Simply plug in the adapter and it will run automatically without the need for drivers or software downloads.
• Premium construction
  Using high-quality components means that you'll know your adapter will perform when you need it to and is completely safe to use with your USB-C laptop, 4K monitor, TV or projector.