ZHT Electronic Whistles for Referees with USB Charging, 3 Tone High Two Black
Can keep sounding for 4 hours. USB direct charging save the cost of buying batteries. Independent lithium battery were not sold with the product. Color: Two Black.
Paquete de 2 Silbatos Deportivos Con Sonido Fuerte y Nítido Con Cordón NUEVO 2PC
La batería de litio independiente no se vendió con el producto.
High Volume Emergency Whistle – 3 Tones for Coaches, Teachers & Outdoor Safety
Perfect for all your signaling needs, this whistle is designed for optimal performance and convenience. Choose reliability and convenience; invest in a tool that uplifts your safety and communication.