This Wireless tour guide system is designed specially for guides and groups.It is a lightweight,multi-channel system that helps tour participantslisten directly to the tour guide clearly,enhancing the wireless/effortless presentation effect...
Teaching
This Wireless tour guide system is designed specially for guides and groups.It is a lightweight,multi-channel system that helps tour participantslisten directly to the tour guide clearly,enhancing the wireless/effortless presentation effect...