Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•【Loud Volume】Classic design with a built-in natural cork ball for loud and crisp sound. The volume near the exhaust port (within 10cm) can reach 130+dB.
•【Unique Color】304 stainless steel and electroplating technology for safety and corrosion resistance. Each colorful whistle has a unique color.
•【Attractive Appearance】Benefiting from exquisite electroplating, the whistle surface is very smooth and full of metallic luster.
•【Excellent portability】 Small and lightweight, it is convenient to put in your hand or pocket, or attach a neck strap and hang it around your neck.
•【Reliable Utility】It can be used for sports games and emergencies. Perfect for sports referees, coaches, teachers, lifeguards, leaders, campers, and anyone who might need attention.
