2 ports to Dual -compatible: Type-C to -compatible 4k @ 30HZ/-compatible 4k 30HZ (supports single -compatible 4K 30HZ and dual -compatible 4K @ 30HZ displays).[Dual 4K Display]: The USB C to Dual -compatible adapter allows you to view laptop content on 2 monitors simultaneously at 3840*2160@30Hz. If there is only one -compatible interface, the resolution can be up to 3840*2160@30Hz. Note: Please make sure your laptop, monitor, cable supports 4K or 30Hz, otherwise the output will not be 4K or 30Hz, the actual resolution depends on your device and video source.[Mirror and Extended Mode]: The Type C -compatible Adapter is a good choice for Windows users as it supports three different modes under Windows OS. You can mirror your laptop or extend the screen to two same or different external monitors (AAA, ABB, ABC), but it does not allow split screen under OS due to OS limitations (only AAA and ABB are supported) . A tablet/phone can only mirror one screen.[High-quality plug and play]: Instantly expand your laptop, tablet or phone's USB-C port to dual ports, no drivers/firmware required. With a high-quality aluminum alloy casing, it is designed with the best chipset. Dual -compatible converters provide a stylish and powerful solution for extending your laptop screen. The adapter is also equipped with a safety system that provides surge protection, overload protection and overheating (high temperature) protection.[Wide Compatibility]: Compatible with OS, Windows, Linux, Android systems with USB-C ports that support "DisplayPort Alternative Mode" (not all USB-C ports/systems support the Alternative Mode feature). Compatible with for Pro 2016-2020, for Air 2018-2020, for iPad Pro 2018-2020.4K HD showing two screens at the same timeColour: dark greenMaterial: metalPackage Contents:1 * Type C HubOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.