About this item 【125±5 HIGH-VOLUME LOUDEST ELECTRONIC WHISTLE】UNIWA handle electronic whistle gets rid of the traditional way of blowing a whistle with your mouth, and meanwhile provides a loud, clear, strong and easily recognizable sound. It will be more convenient and safer in the referee, coach and outdoor sport training. 【AFFORDABLE PACKAGE】Purchase UNIWA 3 Pack electronic whistle at one time to meet the massive needs of referees, coaches, teachers and officials. A set of matching 3 colors - black, red and blue, easy to distinguish use. The customized exquisite gift box packaging can be used as a gift for Father's Day, anniversaries, and birthdays. It is the first choice for fathers, boyfriends, and colleagues. 【ADJUSTABLE 3 DIFFERENT VOLUME WHISTLE】: Adjust the volume to the level that best meets your needs in different spaces and occasions, so that the sound can be heard and protect your hearing. It must be an awesome high volume electronic whistle for P.E. teachers, coaches referees, outdoor sport training, SOS survival emergency. 【DURABLE and HIGH QUALITY】Made of superior ABS material-More often, we will use this electronic whistle outdoors, so it is necessary to have a crack-resistant and fall-resistant shell. In addition, each whistle comes with 4 Cr2032 Lithium batteries individually packaged to ensure that you can use it for a longer time outdoors. If the sound becomes abnormal, please replace the battery. 【CARRY IT with YOU】portable and small-5.4''×1.5'' size, suitable for pockets and backpacks. We have also prepared a drawstring pouch for you, which can better protect your whistle. Suitable for all kinds of indoor or outdoor sports training: diving, basketball,volleyball, hockey and more.
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