Portable Mini Emergency Whistle Double Frequency Key Chain for Outdoor, Training, Coach and Accident
Survival Whistle Product Features:
Emergency whistle with portable chain, tiny and easy to carry
Outdoor whistle made of stainless steel, robust and reliable little equipment in wild area
Double tube for different frequencies, can be used for giving complicated signal
Mini whistle useful for training coaches, as well as emergency signal in accident
Bring this tiny whistle with you can always be a good option, it’s a small but must tool
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