High-accuracy touchscreen with beamforming microphone and front-struggling with soundbar for immersive learning in almost any classroom. “Màn hình tương tác cao cấp ViewSonic collection IFP70 thiết bị https://keithludh400665.getblogs.net/62171307/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-an-overview