Professional Butterfly Referee Whistle for Sports & Outdoor Activities
Ultra-durable ABS construction ensures long-lasting performance in high-intensity use. Precision-engineered airflow design delivers crisp, penetrating sound ideal for referees, coaches, and outdoor leaders. Ergonomic lip grip enhances comfort during extended events like tournaments, camps, or survival training. Water-resistant finish withstands harsh weather, perfect for field sports or emergency signaling. Multi-frequency tuning eliminates shrill tones, producing clear audible commands up to 500m. Compact size fits standard lanyards for quick access during competitions or team drills. FDA-approved non-toxic materials safe for youth leagues and school programs. Matte anti-glare coating prevents light reflection in stadiums or night games. Bulk order discounts available for leagues, schools, and event organizers—wholesale pricing unbeatable globally. Ships factory-sealed with 1-year defect warranty.