Product parameters: 1. Plug and play, without the need for additional drivers. When using the HDMI compatible interface alone, the resolution can reach 4K30HZ. 3. It can support simultaneous display of two HDMI interfaces. 4. Supports image extension mode. Mobile phones and compatible with Apple systems can only support AAA mode and ABB mode, while laptops on for Windows systems support AAA mode, ABB mode, and ABC mode. 5. Only compatible with devices that support DP Alt Mode protocol, true TYPE-C 3.1 interface, type-c interface on mobile and laptop devices must support both charging and audio and video data transmission protocols. 6. It can provide power supply for mobile phones and laptops, and USB 3.0 data transmission. 7. The aluminum alloy shell is durable and has a smooth appearance design that is corrosion-resistant. The aluminum shell provides better heat dissipation and better signal performance for you. 8. Compatibility: 1. Compatible smartphones that support DP Alt mode (incomplete list): Suitable for compatible with Samsung Galaxy Note 10/Note 10+/Note 9/Note 8/S10e/S10/S10+/S9/S9+/S8/S8+ Applicable to compatible with Huawei Mate 30/Mate 30 Pro/Mate 20 Pro/Mate 20 X/Mate 10/Mate 10 Pro/P30 Pro/P20 Pro For compatible with OnePlus 7/compatible with OnePlus 7 Pro for compatible with OPPO RX17 Pro/compatible with Oppo Reno 5G for Europe For compatible with Microsoft Lumia 950/For compatible with Microsoft Lumia 950 XL 2. Suitable for compatible with iPad Pro 11 inches (2018), for compatible with iPad Pro 12.9 inches (2018), for compatible with Samsung Galaxy Tab S5e, and for compatible with Samsung Galaxy Tab S6. 3. Compatible with Type-C laptops that support DP Alt mode (incomplete list): For MacBook Pro 2016/2017/2018/2019, MacBook Air 2018/2019 Suitable for compatible with Huawei MateBook, MateBook X, MateBook E, Honor Magic Suitable for compatible with Xiaomi Air 12.5 "/13.3", Mi Pro 15.6 ", Mi Game Book For compatible with Asus U306.U321.U4100.R0G Suitable for compatible with Lenovo Yoga5 Pro, ThinkPad_X1, Carbon2017, Mix 720 For HP Pavilion x2, Elite Book Folio G1 For compatible with Dell XPS13, XPS15 For Google Chromebook pixels, PixelBook Pen For compatible with Microsoft Surfaceicrosoft Surface Book 2 Packaging includes 1 * Expansion dock 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【High-Quality Materials】Crafted from premium, durable materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety.