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Overview and Specifications:

Product Name: high frequency double tube survival whistle
Peak volume: about 120dB
Surface treatment: oxidation + sandblasting
Specifications: long 55mm * wide 15mm * thick 8mm
Scope of application:
It is a must product when we need to keep a whistle, climb a mountain or take steps to control risks. When outdoors are in distress,
The double loud whistle allows your companion to hear your call for help. This product can also be used for whistles in other sports such as football and basketball. Mini Keychain design, easy to carry.

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