Working principle: It is connected by TYPE C interface and supports the interface of type c high-definition video output. It can expand and mirror the screen of mobile phone and computer to video display equipment such as projector or HDTV. Use scenarios: Computer office, Conference, PPT presentation, Home audio and video entertainment, Mobile games. Product features: Self-developed chip, 4K high-definition display, plug and play, no delay connection, multiple shielding anti-jamming. Package: 1* USB C to HDMI Adapter USB Type C Compatible Devices (Partial List) - 2018/2017/2016 MacBook Pro - 2018 MacBook Air, 2018 iPad Pro - 2017 iMac(As Host) - 2017/2016/2015 Macbook - ChromeBook Pixel 2015 - Dell XPS 12 (9250), Dell XPS 13 (9350/9550) - HP Spectre 13, HP Elite x3, HP EliteBook Folio G1 - SamSung Galaxy Note9/ S9 / S9 Plus , SamSung Galaxy Note8/ S8 / S8 Plus - Huawei Mate 20 Pro/ P20/ P20 Pro - Huawei Mate 10 Pro/ Mate 10 Notes: 1. The adapter is not compatible with devices which do not support the protocol of DP Alt Mode. Does not support Nintendo game consoles and other genuine software video output. 2. Requires an HDMI cable (Sold Separately) for connection to a display. 3. 4K resolution requires a 4K equipped source, HDMI cable and output display. 4. For certain monitors such as Philips 288P6(4K@30Hz), Dell P2715Q (4K@30Hz) may turn on and off every minute as connected with a long HDMI cable, for stable output, we highly recommend using a short HDMI cable within 5.9ft to connect your display. 5. It is not suggested to be used with HP Spectre x360, Lenovo Yoga 910, HP Elitebook 850 G3.6. iMac 2017 must be worked as a host computer.7. For MacBook Pro/Air, MacBook Air 2018', OS 10.5 and Huawei Mate10, it will start within 5 seconds after normal output sleep mode