higher-precision touchscreen with beamforming microphone and front-facing soundbar for immersive Discovering in any classroom. “Màn hình tương tác cao cấp ViewSonic Series IFP70 thiết bị nên đầu tư https://rajantkfc890236.isblog.net/viewsonic-dubai-monitor-led-viewboard-digitel-display-classroom-whiteboard-an-overview-46817225