High-precision touchscreen with beamforming microphone and front-going through soundbar for immersive Discovering in any classroom. “Màn hình tương tác cao cấp ViewSonic sequence IFP70 thiết bị nên https://mollycfpo872723.full-design.com/the-basic-principles-of-viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-71880570