large-accuracy touchscreen with beamforming microphone and front-going through soundbar for immersive Understanding in any classroom. “Màn hình tương tác cao cấp ViewSonic collection IFP70 thiết bị nên https://jimhzgr880044.daneblogger.com/29132136/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-secrets