The View Sonic VSR100 is a powerful and compact wireless presentation dongle with an HDMI interface, allowing users to cast 4K content onto monitors or projectors from laptops or mobile devices. With the app, the VSR100 gains smart features such as a real-time video feed and handy annotation tools. It also allows four-way split screen collaboration and access to personal cloud storage. 4K content Wi-Fi transmission Broadcasting your 4K content wirelessly is easy via the casting app. Windows/Android version or Miracast/Air Play. Powerful processing performance The powerful CPU and 1GB DDR3 memory deliver a powerful performance. Multi-screen broadcasting across devices In a dynamic meeting, it allows a host to easily authorize wireless connectivity for up to eight users\' devices. Four presenters\' content can also be simultaneously shown on a quad split-screen projection. Windows/Mac/iOS/Android Live camera and drawing support Users can cast live, streaming video straight from a device\'s camera while real-time note taking to a large display for a more detailed explanation. Windows/Mac/iOS/Android