Adjustable Volume Charging Electron Outpowers Referee Whistle
Ultra-durable ABS construction with precision-molded airflow channels for crisp, piercing sound projection. Electronically amplified design delivers 30% louder output than traditional whistles, adjustable via rotary dial for stadiums or close-range use. Ergonomic non-slip grip with moisture-wicking silicone coating withstands intense outdoor conditions. Integrated charging port (Micro-USB) powers 120dB output for 8+ hours per charge—ideal for referees, coaches, and traffic controllers. Dual-frequency tuning eliminates pitch overlap with crowd noise. Includes 3 interchangeable pealess reeds (high/mid/low) for basketball, soccer, or emergency signaling. Military-grade lanyard loop secures during dynamic movements. Waterproof IPX5 rating handles rain/perspiration. Ships with 2-year performance warranty. Bulk pricing available for sports leagues and event organizers.