Sound: thanks to the three air outlets, this whistle is one of the loudest in the world. with its 122 db it can be heard well and perceived even under extreme conditions. range: the whistle produces so-called high-frequency tones, which can overtone many sounds and even overtone louder noises. sports: especially during sports - as a referee - you need to be able to pay attention even with many unwanted noises. with this whistle it will no longer be a problem. writing whistle: this model is a whistle that produces very loud sounds without a triller. this means that the whistle cannot be blocked and the whistle can be used even in heavy rain. lightweight: thanks to the light weight of only 10 grams, the whistle can be easily attached to a key ring or backpack. your browser does not support the audio element.
Digital sound player (quail - quail) with digital timer and USB stick including connectionsideal for educational use, it can play any song loaded on the USB stick.