Be easily heard with the touch of a button
Threo Electric Whistle will allow you to grab attention quickly and efficiently. Unlike traditional ones, our whistle requires no blowing. It doesn't create physical strain on your lungs and throat, making it ideal for prolonged use.
Easy to use
The instant activation button saves you time and effort, allowing you to focus on the task at hand. Simply choose the tone on the side and create a loud sound in no time.


Consistent sound
The Threo electric whistle creates a loud distinct sound every time. The volume goes up to 120 ± 5dB, ensuring that your message is always clear and heard.
Versatility
With three different tones to choose from, our handheld whistle can be used in a variety of settings, including sports games, training sessions, and emergency situations.

More reasons to love Threo electric whistle
Jamie L. –
I coach youth soccer and this whistle has transformed my sessions. No more yelling to get the kids’ attention. The button is so easy to use, and my voice doesn’t feel strained anymore!
Sam T. –
Love the convenience. Very effective!
Alex K. –
Having used the electric whistle in various outdoor settings, I can say it’s impressive! The loud, clear sound ensured I was always heard, and the three tone options were handy for different situations.
Electric Whistle –
I couldn’t be happier with this device! As a coach, it saved my voice and ensured my signals were always heard, even on windy days. The three-tone option is versatile for different training scenarios. Highly recommended!
Electronic Signal –
Very handy and easy to use.
Mike T. –
Simple, effective, and durable. Best whistle for outdoor training.
Amy L. –
Lifesaver on hikes! Loud and easy to use.