UNIWA Electronic Whistle, Battery Operated Whistle Adjustable 3 Different Loud… Laces -VALUE FOR MONEY-Only cost you

-VALUE FOR MONEY-Only cost you half money if you purchase these individually

【Convenient to Use】Silicone front hook to prevent sliding away

non-sticky

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UNIWA Electronic Whistle, Battery Operated Whistle Adjustable 3 Different Loud… Laces -VALUE FOR MONEY-Only cost youA practical whistle or safety gear for outdoor work and recreation. Chosen from Amazon's better selling, well reviewed options in this category. Make the Coach Referee So Easy: The electric whistle gets rid of the traditional way of blowing a whistle with your mouth, and meanwhile provides a loud, clear, strong and easily recognizable sound. It will be more convenient and safer in the referee, training and SOS. Straightforward to use and easy to pack