Xflyee Electronic Whistles 4 Pack, Loudest Electric Whistles 3 Tones High Volume Whistle Hand Held for Coaches Referees Training Whistle Bulk, Outdoor Hiking Emergency Rescue Whistle Gifts

Want to get people’s attention? Tired of yelling and whistling ? 
- You really need a Xflyee electric whistle. Easy to get attention, loud, consistent sound every time. Electric whistle helps your voice at recess without blowing but also send louder, 
strong and consistent sound comparing with traditional whistles. When you are in danger without energy to yell for help,this whistle will be your good device,too. 
MULTIFUNCTION ELECTRONIC WHISTLE 
- Includes 3 distinct tones electronic whistle, you can choose the best sound for your purpose. Special design metal-tubing to reach 125dB +/-5dB loudness, all tones are very loud and clear. 
Suitable for all sporting events, P.E. teachers, coaching, loudest outdoor safety whistle, marine, police, underwater, windstorm safety whistle, volleyball coach, soccer whistle, 
boatswain whistle, windstorm whistle, rescue whistle, self-defense emergency whistle, dog training and so on.