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250m Distance Wireless Tour Guide 746MHz 823MHz Two Way Talkback

250m Distance Wireless Tour Guide 746MHz 823MHz Two Way Talkback

250m Distance Wireless Tour Guide 746MHz 823MHz Two Way Talkback

Two-Way Talkback, Avoid The Disadvantage Of Poor Interactivity Of One-Way Explanation 008B as an important auxiliary equipment in tourism, translation, training and other work, the 008B can clearly ...

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