55" (inch) / 4K UHD (3840 x 2160) / Anti-glare, Anti-Fingerprint, 10-point IR touch, Total Touch Control / Android x4 pc , x1 MHL x1 / 16 GB / Stereo 10 Watt x2 / EShare WIRELESS SOLUTION, OPEN ANDROID OS, 2GB RAM, MULTI PLATFORM COMPATIBILITY, MULTIPLE CONNECTIVITY, DRIVERS FREE, Interactive Whiteboard, OTA Updates, Total touch Control / Navigate a friendly, easy-for-anyone interface with Total Touch Controlâ„¢ - no need for a remote, Built-in whiteboard, browser, file explorer, as well as AirPlay and EShare for wireless casting, Annotate over any application or video input, Comment and draw over websites, documents, and more, Add any Android app, Customize your whiteboard background, Qwizdom Oktopus Blend Software with a 3-year Qwizdom Blend license included