?Thoughtful after-sales service?- 8-hour response, 45-day money-back guarantee, 24-month free replacement. We will provide the best after-sales service for our customers. Please feel free to contact us if you have any questions about it. We are happy to accept returns and full refunds. Customer satisfaction is our motivation for continuous improvement!. ?Broad Compatible ?- USB C HDMI adapter compatible with 2015/16/17/18/19/20/21 MacBook/MacBook Pro, Macbook air2021/2020/2019/2018, imac2020, Samsung Galaxy S20/S10/S9/S8 Note10/9/8, Surface Book 2, Dell XPS13/15, Acer Spin7, Acer Chromebook R13, Yoga 900/910, Google Chromebook Pixel, HP Spectre X2/X360/ etc. ?Fast Transfer & PD Charging ?- USB 3.0 Supports 5Gb/s(5120Mbps) Movies or Data Transfer, USB Port available to connect USB Driver, wireless mouse, and Wireless Keyboard. With a 100W fast-charging USB C port, you can charge your device quickly. ?Ultra HD 4K HDMI Video Output?- Extend the display of your laptop/phone to your TV, monitor or projector in up to 4K UHD (3840x2160@30Hz) resolution. Compatible with most HDTV, monitors, projectors and other devices with HDMI ports, offering vivid, clear, no-shaking video and pictures. ?USB C 3-in-1 Adapter?- Expands computer ports into an HDMI 4K output port, a USB 3.0 port, and a USB-C charging port. Three ports can work at the same time. Lightweight, plug and play, no extra driver needed. The slim and portable design with an aluminum body provides better heat dissipation.