High-Capacity Multifunctional Electronic Port Whistle
Ultra-durable ABS construction with precision-engineered airflow design for sharp, long-range sound projection. Ideal for pet training, sports coaching, and traffic control with adjustable frequency settings (1kHz-4kHz). Ergonomic non-slip grip and waterproof IPX5 rating ensure reliability in harsh weather. Features a built-in charging port (USB-C) with 120-hour battery life per charge. Volume reaches 120dB with clear tone differentiation—perfect for large fields or noisy environments. Compact yet powerful, designed for professional referees, dog handlers, and safety personnel. Bulk order discounts available. Global shipping, factory-direct pricing.