High-Decibel Electronic Whistle with USB Charging
Ultra-loud 120dB output ensures clear sound in noisy environments. Durable ABS plastic construction with anti-slip grip for long-term use. Rechargeable lithium battery via USB-C, eliminating disposable battery costs.
Multi-Purpose Functionality
Ideal for referees (football, basketball), traffic control, outdoor training, and pigeon calling. Water-resistant design withstands rain and harsh conditions.
Premium Features
Precision-engineered airflow design for consistent, sharp tones. Compact and lightweight for easy portability. Ergonomic mouthpiece for comfortable extended use.
Smart & Economical
One-hour full charge delivers 15+ hours of continuous operation. Includes adjustable pitch control for customized sound output. Bulk purchase discounts available for teams and event organizers.
Global Wholesale Advantage
Factory-direct pricing with bulk order savings. Worldwide shipping with reliable supply chain support. Compatible with all standard referee hand signals.