I7 Audio Guide Is Use Polymer Lithium Battery And Can Be Use For More Than 25 Hours Wireless tour guide features are more, mainly in: 1, sound transmission can resist noise, etc., will not be disturbed.2. Convenience, such a small voice guide can be ...
I7 Audio Guide Is Use Polymer Lithium Battery And Can Be Use For More Than 25 Hours Wireless tour guide features are more, mainly in: 1, sound transmission can resist noise, etc., will not be disturbed.2. Convenience, such a small voice guide can be ... more
balck color self guid Wireless Tour Guide Headsets for museum audio tour with 8 language 007B have two function, one is manual audio gudie ,other is automatic audio guide. For automatic function, it consists of two components. The first is a set of signal ...
balck color self guid Wireless Tour Guide Headsets for museum audio tour with 8 language 007B have two function, one is manual audio gudie ,other is automatic audio guide. For automatic function, it consists of two components. The first is a set of signal ... more
