Sinius Referee Dedicated Life-Saving Whistle
Ultra-high-frequency design ensures piercing sound for clear signaling in noisy environments, ideal for sports referees, coaches, and emergency situations. Precision-engineered from durable ABS plastic with reinforced air chamber for consistent performance and longevity. Ergonomic mouthpiece with anti-slip grip for comfort during prolonged use, suitable for football, basketball, volleyball, and outdoor training. Weather-resistant construction withstands extreme temperatures and moisture. Loud 120+ decibel output instantly captures attention, making it essential for crowd control, lifeguarding, and teacher instruction. Compact and lightweight for easy portability on lanyards or keychains. Designed for professional leagues, schools, and safety personnel—delivers unmatched reliability at unbeatable wholesale pricing. Order in bulk for teams and events.