Some famous museums, in order to protect cultural relics, generally forbid taking pictures or talking loudly, so loudspeakers have been banned.Then we can understand...

 In the work, we often have their own use of auxiliary tools, can facilitate us more quickly to complete their work.When we used to travel, it was common to see tour ...

With the improvement of people's living conditions, more and more people go out of the house to have a trip.For example, after many scenic spots banned the use of loudspea...

 Still struggling to decide whether to buy an electronic tour guide, when you are constantly wasting time on this issue, but don't know, many people already use this ...

 Wireless audio guide system for museum An audio tour or audio guide provides a recorded spoken commentary, normally through a han...