Things to Know Before Buying: Make sure your device's USB-C port supports video transmission. Android only supports AAA mode (mirroring mode); MacOs supports AAA and ABB modes (MST ABC mode is not supported); Windows Os supports AAA, ABB, ABA and ABC modes | Dual 4K Video Output：This USB-C to HDMI adapter allows you to mirror or extend your laptop’s display to two monitors simultaneously with resolutions up to 4K@30Hz. Please note: Ensure that your laptop, monitor, and HDMI cable support 4K. Otherwise, the output resolution may be lower. The actual resolution will depend on the capabilities of your device and video source | Plug and Play: This USB C hub multiport adapter is plug-and-play. Connect the Type C male port of this adapter to your USB C device, and your HDMI cables to the adapter and your monitors. | 100W Power Delivery and USB Data Transfer: Dual HDMI Adapter for 2 Monitors supports up to 100W fast charging and features a USB port for connecting various USB-C devices like hard drives, printers, projectors, keyboards, mice, and more to MacBook Pro and more | Wide Compatibility: The HDMI splitter for dual monitors supports Linux, Windows, Mac OS and Android systems. Compatible with MacBook/MacBook Pro2021 2020 2019 2018 2017,MacBook Air2020-2018,iPad Pro 2018 ,Dell XPS13/15,Samsung Galaxy S9/S9+, and more USB C devices