Electronic Whistle is become more popular nowaday, it is widely used on Coaches,Teachers, Intramural Sport, Security and Instruction purpose.
Two Tones ; Voice:125db ; Color: Black,Silver,Yellow;
Great for Coaches,Teachers, Intramural Sport, Security, Instruction use
Convenience, Useful & Neatness.
For enquiry, please contact Mr. Eric Hung at (852)21271561.
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