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 TONE WHISTLE】: Adjust the different tone to meet your needs in different spaces and occasions, so the tone can be adjusted and protect your hearing. (Volume Cannot Be Adjusted) It must be a great high volume electronic whistle for P.E. teachers, coaches, referees, outdoor sports 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.