【Hand Whistle &No Touch Mouth Whistle】 Compared with traditional whistle,Electronic whistle can avoid mouth. Just press the sound button then it will bring a loud and clear sound. which saves effort and prevents spatter of saliva between users.

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.