large-precision touchscreen with beamforming microphone and front-dealing with soundbar for immersive Studying in almost any classroom. “Màn hình tương tác cao cấp ViewSonic Series IFP70 thiết bị nên https://phoenixdgrb147104.blogs100.com/29647117/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-for-dummies