DOLFIN F Referee whistle for Football and Outdoor sports.
Dolfin F Whistle produces incredibly penetrating tone. Exact Same sound as Valkeen, with Dual Frequency of 4.15kHz & 3.67kHz.
Reach every corner of the stadium with this powerful whistle. Its pea-less, hybrid design ensures you’ll always be heard. The golfing sound carries- making it ideal for soccer, football, and other outdoor sports.
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