interactive data displays.?Support MP3 playing, high-speed USB2.0/SD/MMC/XD/MS cards and other media, upgrade software easily.?Enteral 2.4G wireless microphone receiver, one stereo RCA input and one stereo RCA output. One microphone input with DC+6V power source.?Specialized USB mic interface supports 2.4G mic connection through USB.. As an ideal solution to education and business, K Series interactive flat panel features 10-point touch that enables several users working on the screen at the same time.IQClass 6.0 and installation-free IQClass Plus software help make an interactive teaching and collaboration.