Okayo's innovative two-way OmniTour Guding System OTG-200 is now officially released! OTG-200 system suits for all occasions where require two-way communication, such as training, Q&A lectures, and group/factory tours. Participants can simply press a button to respond/ask questions without learning. Further, specific features, including roll-call and alarm for group gathering, are available for group leaders to manage the trip easily and quickly. Specifically, Okayo’s proprietary software OK-OTG-SW is available for channel management which is perfectly practical for professional conferencing/lecturing.