AV Mixer Portable Audio and Video Mixer with USB portReady for Live StreamingThe VR-3's innovative design incorporates a video switcher, audio mixer, preview monitors and streaming-ready USB output all in a single unit. As a USB Video/Audio class device, web streaming is effortless by simply connecting to a computer running a live streaming service such as USTREAM , Livestream, Stickam, Justin.tv, worshipstream.com, websharelive.com, etc. The reduction in hardware equipment, setup time and connection complexity ensures a worry-free, easy to use solution for any event. The VR-3 is extremely portable weighing less than five pounds. It can be powered by the provided power supply or by external battery options like Sanyo's Pedal Juice. Its intuitive touch screen interface provides an easy way to switch video sources as well as an efficient way to access menus. This portable live production solution is ideal for schools, churches, council meetings, corporate events, sports, memorial services, or p