3 in 1 USB C to HDMI Adapter USB C to HDMI@4K+USB3.0+USB C PD55W Charge Max 3840*2160 Resolution Data Transfer Speed: 5Gbps High end Aluminum metal shell Connect your phone to PC, or to big screen like HDTV, Projector Instant high-definition fast switchning, conference projection, showing a comprehensive vision Widely used for office meeting, home theater, gaming free time etc. Strongly compatible for Mac Book, Samsung Book, Laptop and smart phone with USB C interface and support Displayport