Note: Please put HDMI plug to TV and then put USB-C plug to the phone. It will be a little choppy at first during handshaking from mobile phone to HDMI TV, waiting a few seconds the screen on the TV will be smoothly. Finally put USB A plug to wall charger(please use at least 5V/2A power charger) if need to charge the mobile phone. USB C to HDMI Cable works with USB-C (Thunderbolt 3) port computers with DP Alt mode to an HDMI equipped display. Support 2018/2017/ 2016 MacBook Pro, 2018 iPad Pro, MacBook 2015/2016, ChromeBook Pixel, Dell XPS 15, XPS 13-9350-R1609 13.3", Samsung Notebook 9 900X5L, YOGA5 PRO YOGA900 XIAOXIN AIR 12, Samsung Dex Station Galaxy S9/S8/S9 Plus/S8 Plus/Note 8/9, LG G5, HTC U11, Microsoft 950 950XL and more. Highlighting features supports resolution up to 4K(3840*2160)@30hz,delivering a crisp, vivid image without motion blur or lag,with all-in-one design, No more adapter or cable needed. High-Speed Charging:USB-C to HDMI Cable with USB Power Supply(5V@2A), connect the USB cable to a power adapter([email protected]) to supply your computer/phone if no power. It is great solution of no power when you work in office, play game, watch movies. Also USB A to USB C cable can use as normal charging cable once no need connect to HDMI port devices.