Battery Operated Whistle

A battery-operated whistle is a convenient and reliable tool for various activities, such as sports coaching, refereeing, or even as an emergency whistle. Made from durable plastic and produces a loud, clear sound. Powered by replaceable batteries (e.g., AAA, AA) or rechargeable batteries for longer use. Compact and lightweight, with a lanyard for easy carrying. This can print the customer's logo with different color.