North Wolf Houqiang Super Large Volume Movement Training Referee Special Whistle
Ultra-loud pure copper construction ensures sharp, far-reaching sound for clear commands in noisy environments. Premium metal plating with true gold finish resists corrosion while adding a professional aesthetic. Precision-engineered plug-in tuning system allows instant pitch adjustment to match specific training or competition needs. Ideal for referees, coaches, and military/police drills requiring high-decibel signaling. Ergonomic anti-slip grip design enables secure handling during intense movement or wet conditions. Reinforced air chamber maximizes airflow efficiency for consistent, fatigue-free blowing. Wholesale-exclusive pricing with bulk discounts available for sports teams and event organizers. Ships globally with guaranteed lowest price matching. (Note: Strictly adheres to professional wholesale specifications without retail fluff.)