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WINGOO Emergency Whistle Stainless Steel Double Tubes High Decibel EDC Outdoor Tool Lifesaving Whistle

Amazon.com Price:  $9.99 (as of 15/03/2022 00:00 PST- Details) & FREE Shipping.

Inclined smooth and evasive whistle hole, the volume is up to 150dbs,it’s voice is like a great bell,echo to the clouds.
Light blowing then easy to sound,the design of the tube hole structure without Bead,can be used when water panetration or in the bad weather.
Using double barrel design, the structure is small and beautiful, compact and steady.

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