This M100 4K wireless screen projector features an RK3229 quad-core processor and 256MB of Ram. It uses a 2.4GHz single-band WiFi connection and supports multiple wireless protocols including AirPlay, Miracast, and Dlna, and is compatible with iOS, Android, Mac Os, and Windows systems. The device supports true 4K output resolution and can smoothly play various video formats such as Avi, Mkv, MP4, and Rmvb, as well as Jpeg and Bmp image formats. Audio support includes MP3, Wma, and Aac. Connecting to a Tv or projector via Hdmi allows you to wirelessly project videos, photos, games, and office documents from your phone, tablet, or computer to a large screen—no mode switching required, just plug and play. Its compact and portable design is suitable for home entertainment, business presentations, and travel. This product is not compatible with Samsung TVs and Samsung phones.