Premium High-Frequency Persistence Whistle
Ultra-durable ABS plastic construction ensures long-lasting performance even under extreme outdoor conditions. Precision-engineered high-frequency sound design delivers clear, sharp tones for instant attention in noisy environments. Ideal for sports referees, coaches, and trainers in football, basketball, volleyball, and other competitive events. Ergonomic mouthpiece provides comfort during extended use, while the compact design fits easily in pockets or gear bags. No-nuclear design eliminates harmful materials, making it safe for frequent handling. Perfect for professional competitions, school sports, and outdoor training sessions. Trusted by instructors worldwide for its reliability and unmatched acoustic clarity. Global wholesale pricing available—stock up for teams, clubs, and events with unbeatable bulk discounts.