Premium stainless steel construction for unmatched durability and corrosion resistance

Precision-engineered airflow design delivers crisp, high-pitched sound up to 120dB

Military-grade gold electroplating ensures scratch-proof performance in all weather conditions

Ergonomic lip-grip contour designed for referee"s rapid-response scenarios

Professional-grade acoustic chamber optimized for basketball courts and sports training

CNC-machined pea-less mechanism eliminates jamming during intense competitions

FDA-approved food-grade mouthpiece for safe extended use during tournaments

Ideal for coaches, PE instructors, and professional referees requiring tournament-grade equipment

Weight-balanced design prevents arm fatigue during marathon training sessions

Globally compliant with FIBA, NCAA, and NFHS official competition standards