This product by Williams Sound is a one-way, wireless tour guide system. (2.4 GHz band). This product is perfect for smaller tour groups of up to 10. It will greatly enhance the communication between the tour guide and group members. It also aids in overcoming unwanted background noise and distance. The system has a number of useful areas such as museums, tours (bus, shuttle, etc), factories, and many other tourist attractions. The members of the gorup will have listening-only capabilities.