OK Brand Thunder Dual-Sound No-Core High-Frequency Whistle
Premium high-impact plastic construction ensures durability and crisp sound projection. Dual-tone design delivers distinct high-frequency pitches for clear, far-reaching signals. No-core structure eliminates internal parts for consistent performance and easy cleaning. Engineered with precision molding for balanced weight and ergonomic grip. Matte finish resists scratches and maintains professional appearance. Available in high-visibility black, orange, and green for team or referee coordination. Ideal for soccer referees, coaches, lifeguards, and outdoor trainers. Loud 120+ dB output cuts through noise in stadiums or open fields. Weather-resistant for year-round use in rain or shine. Wholesale bulk pricing available. Global shipping with guaranteed lowest rates. Custom color batches optional.