Premium Referee Whistle for Professional Coaches & Sports Instructors
High-grade ABS construction ensures durability and crack resistance for long-term outdoor use. Precision-tuned dual-tone chamber delivers 120dB piercing sound for clear signals in noisy stadiums. Ergonomic finger grip with anti-slip grooves allows secure handling during wet conditions. CNC-machined airflow vents optimize loudness without breath strain. Ideal for basketball referees, soccer coaches, PE teachers, and field training. Military-grade lanyard loop withstands aggressive tugs during intense games. Wholesale bulk pricing available for sports academies and tournament organizers. Ships globally with OEM customization options.