higher-precision touchscreen with beamforming microphone and front-facing soundbar for immersive Discovering in almost any classroom. “Màn hình tương tác cao cấp ViewSonic sequence IFP70 thiết bị nên https://joycecvxr530400.pointblog.net/about-viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-71184672