Premium Brass Core with Nickel-Plated Finish for corrosion resistance and bright, long-lasting sound

Triple-Chamber Acoustic Design delivers piercing 120dB treble tones for clear signals in noisy environments

Precision CNC-Machined Airway ensures consistent pitch accuracy and quick response during intense competitions

Ergonomic Curved Lip Plate fits comfortably for extended use by referees, coaches, and sports instructors

Military-Grade ABS Housing withstands extreme outdoor conditions from -20°C to 60°C without cracking

Anti-Choking Safety Lanyard with quick-release buckle meets international sporting goods safety standards

Multi-Sport Certified for basketball, soccer, volleyball, and track events with tournament-approved frequencies

Professional-Grade Moisture Barrier prevents saliva buildup for hygienic shared use in team environments