Electronic Whistle, 3 Different Tones and 3Loudnesses, With Light, USB Recharge
Just press the sound button then it will bring a loud and clear sound. which saves effort and prevents spatter of saliva between users. Our mouth-free whistle is made of high quality ABS material, very sturdy and durable.
UNIWA Electronic Whistle Battery 3 Tone Loud Sound Referee Coach Sports
(replace batteries if sound weakens).
Electronic Whistle 3 Sound Levels Battery Operated Handheld Whistle w/ Lanyard
Featuresthree loudness settings (up to 120±5dB) to suit indoor gyms, outdoor fields, or large crowds. Perfect forP.E. Produces aclear, strong, and easily recognizable sound — ideal for coaches, referees, teachers, and safety use.