It will be more convenient and safer in the referee, coach and outdoor sport training. 【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.

It will be more convenient and safer in the referee, coach and outdoor sport training. 【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.