About this item: 
【Interactive Smart Board】 Adopts leading infrared induction technology, 3mm high precision positioning, which can support 20 points touch writing and 7ms response time. Ideate, brainstorm and collaborate remotely on your smart board. And it supports multi-person writing, uploading to the cloud, and scanning and taking away. 
【Present and Annotate】Smartboard support connection to Mac/Windows/iOS/Android devices. You can present content from connected devices, annotating as needed. And use your mobile device to control the smart whiteboard in reverse. 
【Open Apps and Cloud Drives】 Open ecosystem allows you to download any application. Canvas whiteboard content created on LCD screen supports exporting to cloud drives such as Google Drive, and OneDrive. 
【Superior software and hardware configuration】4K UHD 55-inch screen keep teams aligned. Android11.0 system provides a more open performance experience. 20-point touch supports real-time multi-person multi-device editing and sharing. Supports 9-screen simultaneous display. Supports Airplay, Miracast, and Chromecast mirroring from mobile devices. 
【Multi-scene usage】All-in-One Design, integrates functions of the projector, interactive board, television, advertising screen and audio.