High-precision touchscreen with beamforming microphone and front-going through soundbar for immersive Discovering in almost any classroom. “Màn hình tương tác cao cấp ViewSonic collection IFP70 thiết bị https://andrewbjam102816.blogscribble.com/29244196/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-things-to-know-before-you-buy