The device shown in the image is the AnyCast M9 Plus wireless display dongle. Its key features include:
Wireless Display: The dongle enables wireless mirroring or streaming of content from mobile devices to an HDMI-enabled screen like a TV, monitor, or projector.
High Definition Support: It supports up to 1080p resolution output for a quality viewing experience.
Broad Compatibility: The device works with various operating systems, including iOS, Android, macOS, and Windows.
Multi-Standard Support: It is compatible with popular screen-sharing standards such as Miracast, DLNA, and AirPlay.
Ease of Use: No extra apps or drivers are required for operation; it is a plug-and-play device. It also features a "no need of modes switch" function, simplifying the connection process.
Hardware: It utilizes a dual-core chip for performance.
Portability: The compact and portable design makes it easy to carry and use in different locations.