large-precision 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://kathryngpdd540415.blogsidea.com/35510933/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-an-overview