Voice guide is a kind of wireless signal transmission of voice equipment, widely used in tourist attractions, exhibition halls, museums and other places, so why now so many occasions can be used? Voice guide is a device that can realize automatic sensing interpretation, and tourists can use it to walk around the scenic spot or exhibition hall, and provide real-time voice explanation. The use of voice guide requires the installation of signal transmitters in each scenic spot and pavilion need to provide interpretation position, and each signal transmitter has a certain signal sensing range, so the installation distance is best to reach more than 5 meters, so that it is not easy to cross frequency when obtaining explanation.
                      
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  At the same time, because the voice guide signal transmitter is powered by lithium battery, there is no need to pull the line on the spot, so it will not damage the overall beauty of the scenic spot, nor will it affect the exhibition layout in the pavilion. The audio guide generally has a simple and small ear hanging type, and a neck hanging type with a lappet, which can meet the needs of different tourists. The built-in multi-language function can meet the language needs of tourists from different countries and regions, so that tourists can better understand and feel the cultural history of the scenic spot. The voice guide can also automatically adjust the listening volume according to the situation to ensure the clarity of the voice transmission.
                      

                                                                                                   voice guide