UNIWA USB Charging Electronic Whistle

📧 Three Distinct Tones For Different Game Situations 💡

📧 High Volume Hand Emergency Whistle For Coaches 💡

📧 USB Charging Battery For Long Lasting Performance 💡

📧 Ideal For Referees Teachers And Outdoor Sports 💡

📧 Includes Adjustable Lanyard For Easy Neck Carry 💡

📧 Reliable Safety Device For Camping And Games 💡

📧 Powerful Sound Reaches Large Crowds And Fields 💡

📧 Compact Durable Design For Daily Professional Use 💡