Professional-grade treble whistle for basketball, football, and sports events. Precision-engineered with high-quality ABS plastic for durability and clear sound projection. Ergonomic mouthpiece design ensures comfortable use during extended matches. Loud 120dB output cuts through crowd noise for instant referee commands. Lightweight construction (15g) with moisture-resistant finish for all-weather performance. Ideal for coaches, referees, and PE teachers in competitive games and training sessions. Features advanced pea-less mechanism to prevent jamming during critical plays. Bulk packaging available for tournament organizers and sports academies. Meets international sports equipment standards with consistent pitch accuracy.