Dolphin Sound Referee Whistle – Professional Training & Competition Essential
Ultra-high-pitched dolphin sound design ensures clear, sharp acoustics for instant attention in noisy environments. Precision-machined metal alloy core with polished ABS shell delivers durability and corrosion resistance. Ergonomic finger grip and balanced weight distribution provide comfort during prolonged use. Ideal for referees, coaches, and sports teachers in football, basketball, and track events. Waterproof construction and pea-free design eliminate jamming risks. Loud 120+ dB output penetrates crowds without straining. Trusted by professionals for tournaments, school drills, and emergency signaling. Bulk pricing available for teams and institutions. Global wholesale supplier guarantee: unbeatable price, OEM support, and fast logistics.