rongda colour crystal conference flat panel, which integrates computer, projector, electronic whiteboard and speaker as one intelligent conference flat panel, touch writing, random annotation, wireless same screen, 4k hd large screen. easy to control various application conference scenes.
rongda colour crystal conference flat panel, which integrates computer, projector, electronic whiteboard and speaker as one intelligent conference flat panel, touch writing, random annotation, wireless same screen, 4k hd large screen. easy to control various application conference scenes.