higher-precision touchscreen with beamforming microphone and front-experiencing soundbar for immersive Discovering in almost any classroom. “Màn hình tương tác cao cấp ViewSonic sequence IFP70 thiết bị https://antontbnc515032.vblogetin.com/34848535/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-an-overview